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The last day of September burned golden over Beacon Hills, and Derek Hale stood on the back porch of the Hale house watching the tree line blur into amber and rust. Behind him, his mother's voice carried from the kitchen—something about centerpieces and how Laura had better not have eaten the ceremonial honeycakes again—but Derek wasn't listening.
He was counting.
Five years. Five runs through the Preserve under the October moon, chasing scents that never quite locked into place, catching omegas whose heartbeats never synced with his. Five years of coming home empty-handed while his sisters traded glances they thought he couldn't see, while his mother touched his cheek with that careful tenderness that meant I'm worried about you, sweetheart, but I won't say it out loud.
This was the last time.
He'd made the decision three weeks ago, sitting in his apartment above the old railroad depot, staring at a real estate listing for a cabin outside Ashland, Oregon. Far enough from Beacon Hills that the pitying looks wouldn't follow him. Close enough to a small pack territory that he wouldn't go feral from isolation. He'd build something. Find someone the regular way—through shared space and slow conversation and the ordinary, unmagical friction of two people deciding to try.
He just had to get through one more run first.
"You're brooding again." Cora dropped into the porch chair beside him, tucking her legs beneath her. At twenty-two, she'd sharpened into something fierce and angular, all of their mother's bone structure and none of her diplomacy. "I can hear you brooding. It has a frequency."
"I'm thinking."
"Same thing, with you." She picked at a splinter on the armrest. "Mom says the registration list is longer this year. Forty-seven omegas."
"I know."
"That's up from thirty-one last year. And twenty-six the year before that." Cora's tone was carefully neutral in the way that meant she was about to say something pointed. "Laura thinks it's because of you."
"Laura thinks everything is about me."
"She's not wrong this time. You know how it works—unmated Hale alpha, six years running, son of the pack alpha? You're basically folklore at this point, Derek. Half the new omegas on the list registered because you're still available. There's a fan account."
"There is not a fan account."
"There's a fan account. I've seen it. They call you the Lone Wolf of Beacon Hills, which I think is both inaccurate and melodramatic, but it has four hundred followers, so what do I know." She picked at the splinter again. "There's some new ones this year. First-timers who just presented."
Derek said nothing. He knew where this was going.
"Stiles Stilinski finally presented," Cora said, too casually. "Omega. Scott told me."
Something flickered in Derek's chest—a match struck in a dark room—and he crushed it immediately. He knew Stiles. Everyone in Beacon Hills knew Stiles. The Sheriff's kid, all limbs and loud opinions and a mouth that moved faster than most wolves could run. Derek had watched him grow up the way you watch any pack-adjacent kid grow up in a small town: peripherally, inevitably, without thinking much about it.
Except that wasn't entirely true.
There'd been a moment. One moment, six years ago, at Cora's twelfth birthday party. Derek had come home from college for the weekend—reluctantly, because Laura had threatened to mail his leather jacket to a thrift store if he didn't—and the Stilinski kid had been there. Twelve years old, gangly, tripping over his own feet, and he'd looked up at Derek in the kitchen doorway with those ridiculous whiskey-brown eyes and said, with absolute sincerity: "You're Cora's brother? The one who reads? She said you've read every book in the Beacon Hills library. Is that true? Because I've been trying and I'm only on the Ks."
And Derek, who had been twenty and sullen and halfway through a philosophy degree he wasn't sure he wanted, had felt something warm and entirely unexpected crack open behind his sternum.
He'd shut it down. Of course he'd shut it down. The kid was twelve.
But the warmth had never fully gone away. It had just gone quiet, banked like coals, surfacing at inconvenient moments: Stiles arguing with Coach Finstock at a lacrosse game Derek hadn't meant to attend. Stiles at the preserve's edge during the summer solstice bonfire, laughing so hard he choked on marshmallow smoke. Stiles at seventeen, broader and sharper, catching Derek's eye across the grocery store parking lot and waving with his whole arm like he was signaling a rescue helicopter.
Derek had waved back. With one hand. Like a normal person.
"Derek." Cora's voice pulled him back. "Did you hear me?"
"I heard you."
"And?"
"And nothing." He stood, rolling the tension out of his shoulders. "It's my last run, Cora. I'm not going in with expectations."
She watched him go inside, and he could feel her worry like a handprint on his back.
Across town, Stiles Stilinski was having a crisis.
Not a new crisis—his life was essentially a series of crises strung together with Red Bull and sheer stubbornness—but a specific, targeted, five-alarm crisis that had a name, and that name was Derek Hale.
"I can't do this," he said, pacing the length of Scott's bedroom. "I physically, spiritually, and emotionally cannot do this."
Scott McCall, because he was the best friend in the known universe, did not look up from the video game he was playing. "You can do this."
"I presented three months ago, Scott. Three months. I have the omega instincts of a baby deer. A baby deer who's also somehow on fire. I'm going to go out there and every alpha in Beacon Hills is going to smell my—my whatever—and Derek Hale is going to be among them, and I'm going to do something humiliating like trip over a root and present right there on the forest floor like a nature documentary."
"You're not going to—"
"I've been in love with him since I was twelve. Twelve. That's more than half my life. I have committed an unreasonable amount of my finite neurological resources to memorizing the way he looks when he's pretending not to smile, and now I have to run through the woods knowing he's out there and my entire body is basically a homing beacon set to the frequency of his stupid perfect face—"
"Stiles."
"—and what if he catches me and I'm not his mate? What if he catches me and it's just—nothing? Just another omega who doesn't fit? He's been running for five years, Scott. Five years of not finding his person. Do you know how many omegas registered this year? Forty-seven. That's a record. And most of them signed up because Derek Hale is still unclaimed and every omega in a three-county radius has decided this is their year. There is a fan account, Scott. People make edits of him from the lacrosse bleachers. I'm competing against forty-six other omegas who are all in love with the same man I am, except they probably have better bone structure and actual social skills and didn't write a poem about his eyes in sophomore English that got screenshotted and sent to literally everyone—"
"The poem was good, actually."
"—so what if I'm just number forty-seven on a list? The weird, skinny one at the back who tripped?"
Scott paused the game. He turned, and his expression was the one Stiles privately called the Golden Retriever of Sincerity. "Dude. You're going to be fine."
"You don't know that."
"I know that you've wanted this since forever. I know you spent three years being terrified you'd present as a beta and never even get to run. And I know—" Scott hesitated, choosing his words with the unusual care that meant he was about to say something genuinely perceptive. "I know that you'd rather find out for sure than spend the rest of your life wondering."
Stiles stopped pacing. His throat felt tight.
"Yeah," he said quietly. "Yeah, okay."
"Also," Scott added, picking his controller back up, "you smell amazing since you presented. Like—you know when it rains in the Preserve and everything smells like wet pine and ozone? It's like that, but warm. If Derek can't smell that, he doesn't deserve a nose."
Stiles threw a pillow at him, but he was smiling.
His dad was waiting in the kitchen when Stiles got home.
Sheriff John Stilinski was not, by nature, a hoverer. He'd raised Stiles with the particular blend of trust and vigilance that came from being a single father and a law enforcement officer and a werewolf whose nose could tell him exactly how his son was feeling at any given moment, no matter how many times Stiles insisted he was "fine, Dad, totally fine, never been finer." He gave Stiles space. He respected boundaries. He was, by all accounts, an excellent father.
He was also sitting at the kitchen table with a cup of coffee he clearly wasn't drinking, his service weapon cleaned and reassembled in front of him like a security blanket, and his knee was bouncing.
"Hey, Dad."
"Hey, kid." John looked up, and Stiles could see the effort it took him to keep his expression casual. "How's Scott?"
"Annoyingly optimistic. As usual." Stiles opened the fridge, stared into it without seeing anything, and closed it again. "You don't have to wait up. The run doesn't start until moonrise."
"I know when the run starts. I've been providing security for it since before you were born." John turned his coffee cup in a slow circle. "Stiles."
"Dad."
"I just want to—" He stopped. Started again. "Your mother ran. Did I ever tell you that?"
Stiles went still. His dad almost never talked about the run. About any of it—the night he'd caught Claudia Stilinski in a stand of birch trees on the eastern ridge and known, between one heartbeat and the next, that his life had just changed.
"You've mentioned it," Stiles said carefully.
"She was fast." A smile ghosted across John's face—the particular smile that only surfaced when he was remembering her, soft and hurting and grateful all at once. "Fastest omega in her year. I was twenty-three and I'd been working out for months and she still almost lost me in the ravine. I caught her because she let me. She told me later she'd decided I was the one about thirty seconds in and spent the rest of the chase just enjoying the exercise."
Stiles laughed, and it came out thick.
John stood. He crossed the kitchen and put his hands on Stiles's shoulders—big, steady hands, the hands that had held Stiles through every nightmare and skinned knee and the awful, gasping grief of losing his mother at ten—and looked him in the eye.
"I'm not going to tell you not to be scared," John said. "Being scared means it matters. But I want you to know—" His grip tightened briefly. "Whatever happens out there. Whether you find your mate tonight or you don't. You come home to me, and that's enough. That's always going to be enough. Okay?"
Stiles hugged him. Hard, burying his face in his dad's shoulder the way he hadn't since he was a kid, and John held on like Stiles was twelve again and the world was too big and too loud and the only safe place was right here.
"Okay," Stiles whispered.
John pulled back, cleared his throat with the gruff efficiency of a man who absolutely was not getting emotional, and squeezed Stiles's shoulder one more time. "Now go get ready. And for God's sake, eat something. You can't outrun an alpha on an empty stomach."
"Spoken like a true tactical mind."
"Get out of my kitchen."
The October moon rose fat and low over the Preserve, pouring silver through the canopy like molten metal. The clearing at the old Nemeton stump was packed—the whole town turned out for the mating run, the way they turned out for Fourth of July and the winter solstice howl. Families spread blankets. Pups chased each other between the food tables. The air smelled like woodsmoke and cider and the sharp electric tang of dozens of wolves on the edge of something ancient.
The omegas gathered at the northern tree line, a cluster of nervous energy and too-bright eyes. Stiles stood among them, trying to look like he belonged and mostly succeeding except for the part where his hands wouldn't stop shaking.
He caught sight of his dad in the crowd—standing near the bonfire with Melissa McCall, wearing his official Sheriff's jacket over civilian clothes, his arms crossed in the way that meant he was controlling the urge to do something. Their eyes met across the clearing, and John raised one hand. Not a wave. A salute. Something private and fierce that said: I'm right here. I'm not going anywhere. Go run.
Stiles's throat tightened. He raised his hand back.
"Stilinski!" A voice cut through the pre-run murmur like a blade through cheap fabric—bright, expensive, and designed to make you feel lesser. Jackson Whittemore materialized at the edge of the omega line, because apparently even sacred ancestral mating rituals weren't immune to Jackson Whittemore.
He wasn't running. Jackson had presented as an alpha last year—of course he had, the universe wouldn't dare give Jackson anything less—and he'd bonded on his very first run with an omega from the Mahealani family in a match so aesthetically perfect it had its own hashtag. The private bonding ceremony had been catered, and the entire school had been forced to hear about it in excruciating detail. He was here tonight as a spectator. A spectator who had apparently spotted Stiles and decided that pre-run psychological warfare was an appropriate use of his evening.
"I heard you're actually doing this." Jackson leaned against a tree with the studied casualness of someone who practiced looking casual in front of a mirror. His eyes swept over Stiles—the white linen shift, the nervous hands, the everything—and his mouth curled. "That's brave. Delusional, but brave."
"Go away, Jackson."
"I'm just saying. The whole school knows about your little obsession with Hale. You know that, right? Danny has a group chat about it. There are screenshots, Stilinski. That poem you wrote in Mrs. Blake's English class? The one about 'eyes like a forest fire'? It got around."
Stiles's face went hot. The poem had been a metaphor. A perfectly valid literary metaphor that had absolutely nothing to do with Derek Hale's eyes, and the fact that he'd titled it "Green to Red" was a coincidence that he would defend to his grave.
"It was about climate change," Stiles said flatly.
"It was about Derek Hale's eyes, and everyone knows it, and now you're going to run out there—" Jackson gestured at the Preserve with the air of someone presenting exhibit A. "—a brand new omega, barely presented, smelling like a damp puppy, and you think you're going to be the one? After forty-six others couldn't?" He let that land. "Look at that line, Stilinski. Half of them are here for him. Some of them are gorgeous. And he's turned down every single one for five years." Jackson leaned in, dropping his voice to something almost intimate, almost kind. "That's not high standards. That's the kind of bond chemistry that only matches with someone—" He paused. "—exceptional."
The word landed exactly where it was meant to. Stiles felt it hit the soft, unguarded place in his chest where every insecurity he'd ever had about being enough lived in a messy pile.
"Derek Hale is going to run right past you," Jackson said, almost gently, which was worse than cruelty because it sounded like honesty. "Just like every other alpha out there. And you're going to come back to this clearing alone and have to look at all the bonded pairs and know that you—"
"Jackson." Lydia's voice could have cut glass. She hadn't moved from her spot, hadn't even turned her head, but the single word carried the full weight of an omega who could dismantle you socially, emotionally, and intellectually before you finished your sentence. "Walk away, or I will tell everyone at this gathering what you cried about after the lacrosse finals. In detail."
Jackson's jaw tightened. He held Stiles's gaze for one more beat—something almost like genuine pity in his expression, which was somehow the worst part—and then he turned and melted back into the crowd.
Stiles exhaled. His hands were shaking worse now.
Lydia Martin, who had presented as an omega two years ago and run once before choosing to wait ("The selection was uninspiring," she'd said, examining her claws), stood beside him with a preternatural calm. "Breathe, Stilinski."
"I'm breathing."
"You're hyperventilating. There's a difference." She smoothed the front of her white linen shift—traditional for the run, though Lydia's was obviously designer. "Remember the rules. When the horn sounds, you run. You have a ten-minute head start before the alphas are released. If an alpha catches you and the bond locks, it locks. If it doesn't, they let you go and keep running."
"I know the rules, Lydia, I've only been obsessively researching this since I was fourteen—"
"If you don't want to be caught by a particular alpha, you fight. A real omega can throw off any alpha who isn't their true mate." She glanced at him, something almost gentle in her sharp green eyes. "Your wolf will know, Stiles. Trust it."
Before he could respond, the drums started.
Low and heavy, a heartbeat rhythm that thudded up through the soles of his feet and settled into his ribcage. The crowd quieted. At the southern tree line, the alphas assembled, and Stiles couldn't help it—his eyes scanned the line and found Derek immediately, the way they always found Derek, like the man was magnetic north and Stiles was a compass with a single setting.
He wasn't the only one looking. A ripple went through the omega line when Derek stepped forward—a collective intake of breath, a shifting of weight, a dozen scents sharpening with interest. The omega next to Stiles—a willowy girl with copper hair who Stiles didn't recognize—actually whispered "Oh my God" under her breath. Somewhere behind him, someone else murmured "Is that him? The one who hasn't matched?" and someone answered "Five years. Five. Can you imagine being the one who finally—"
Stiles stared straight ahead and tried very hard not to have a stroke.
He looked—God, he looked—
Derek stood slightly apart from the other alphas, arms at his sides, chin tilted up toward the moon. He'd stripped to the waist, the way most of the alphas had, and the moonlight carved him into something that didn't belong in the same reality as mortgage payments and grocery stores. The dark hair on his chest trailed down his stomach in a line that Stiles had spent an embarrassing number of hours thinking about. His eyes were already shifted—alpha red, burning like coals in the hollow of his face. He was, objectively and inarguably, the most beautiful person Stiles had ever seen, and based on the soft chorus of omega whimpers rippling down the line, the opinion was not unique to him.
But it was his expression that made Stiles's breath catch. He looked resigned. Steady and calm and ready, but beneath it, something that looked terribly like grief. And Stiles thought: None of you see that. You see the jaw and the shoulders and the red eyes and the Hale name. But you don't see that he's sad. You don't see that he's already mourning this.
I see it. I've always seen it.
This is his last run, Stiles thought, and the knowledge hit him like a physical blow. He'd heard the rumors—everyone had. Derek was leaving. Derek had given up.
The horn sounded.
The omegas surged forward into the trees, and Stiles's body took over before his brain could catch up. His shift rippled through him—bones reshaping, senses exploding outward, the world suddenly ten times louder and brighter and more alive—and he ran.
Not his full shift. Nobody went full wolf for the mating run; it was tradition to stay in the beta shift, halfway between human and animal, so that when the catch happened, you could see each other. Could know, with your human heart and your wolf's certainty, that this was real.
Stiles had always been fast. Gangly and uncoordinated in his human skin, but his wolf was a different story—lean and quick, built for darting between trees and scrambling over deadfall. He ran north, deeper into the Preserve than most omegas would go, because some instinct he couldn't name was pulling him toward the creek, toward the place where the pines gave way to old-growth oaks and the air tasted like moss and stone.
Behind him, the second horn sounded, and the alphas were released.
He heard them—dozens of heavy bodies crashing into the forest, the bass-note symphony of alpha growls reverberating through the trees. His omega instincts lit up like a switchboard: run faster. Run smarter. Make them earn it.
And underneath that, quieter but fiercer: Run toward the one you want. Make sure he finds you.
Jackson's voice flickered through his head, unbidden: Derek Hale is going to run right past you. Stiles gritted his teeth and shoved it down, but the words had barbs. Barely presented. Smelling like a damp puppy. What if Jackson was right? What if Stiles ran all night and no one came, and he walked back into the clearing alone, and Jackson was standing there with that horrible, pitying—
No. His wolf snarled the thought into silence. His wolf didn't care about Jackson Whittemore. His wolf was running toward something, and it was certain, and it was fast, and it knew these woods the way it knew its own heartbeat, and it would not be diminished by the opinion of a boy who thought cruelty was the same thing as insight.
Stiles ran harder.
Derek caught the first scent thirty seconds into the chase, and it nearly took his legs out from under him.
He stumbled—actually stumbled, something he hadn't done since he was a pup learning his shift—and had to catch himself against a pine trunk, claws gouging the bark. The other alphas streamed past him, howling, but Derek couldn't move because the air had just changed and everything he thought he knew about his own senses had been wrong.
The scent was—
It wasn't one thing. It was layers, the way a chord isn't one note. Rain-soaked pine needles. Ozone before a storm. Something warm and golden underneath, like honey stirred into black tea, like sunlight hitting old paper. And wrapped through all of it, a bright electric thread that he recognized on a level that predated language, predated thought, predated everything except the most fundamental wiring of his wolf brain:
Mate.
"Oh," Derek said, out loud, to no one. "Oh."
His wolf surged to the surface so hard and fast that his vision whited out for a full second. When it came back, the world had narrowed to a single imperative. The scent trail blazed through the dark forest like a lit fuse, and Derek was already running, faster than he'd ever run in five years of runs that had felt like going through the motions of something he'd stopped believing in.
He blew past Erica Reyes, who had just caught a tall omega and was laughing breathlessly against his throat. Past Boyd, who was tracking with quiet determination. Past Isaac, who yelped and dodged as Derek barreled through a thicket without slowing.
The scent grew stronger—warmer, sweeter, laced with adrenaline and arousal and something that made Derek's teeth ache with the need to bite, to claim—and some part of him already knew. Had maybe always known, the way you know the sun will rise, the way you know your own name, the way you know the particular sound of a voice that's been woven into the background of your life for so long you stopped noticing it was the only music you actually heard.
Stiles.
The realization didn't come as a shock. It came as a homecoming. A key turning in a lock he'd been carrying around for years, waiting for someone to fit.
Derek ran harder.
Stiles heard him before he smelled him.
Footfalls—heavy, deliberate, fast—cutting through the ambient chaos of the run like a blade through silk. Not the unfocused crashing of an alpha on a general hunt. These steps were targeted. Coming straight for him with the inevitability of gravity.
His omega instincts went haywire. Not with fear—with recognition. Every hair on his body stood up. His skin flushed hot, then cold, then hot again. Slick began to gather between his thighs, sudden and devastating, and Stiles nearly sobbed with the intensity of it because his body knew, it knew, even before his mind caught up—
The scent hit him.
Dark loam after rain. Cedar smoke. Something iron-clean, like a blade just sharpened, like winter air above a frozen lake. And underneath, a warmth that was purely, unmistakably Derek—the scent Stiles had been cataloguing in tiny stolen doses for years, at lacrosse games and grocery stores and the one time Derek had handed him a book at the library and their fingers had touched and Stiles had refused to wash his hand for two days until Scott staged an intervention.
But this was that scent multiplied by a thousand, unleashed, unguarded, pouring through the forest like a declaration, and Stiles's wolf responded by doing something Stiles had never felt before: it sang.
A sub-vocal vibration deep in his chest, resonating outward through his bones. A mating call. His wolf was calling to Derek's, and he couldn't have stopped it any more than he could have stopped his own heartbeat.
He heard Derek's answering growl—low, rumbling, reverent—and his knees actually buckled.
Run, his instincts screamed. Not away. Not away. But run. Make him chase you. Make him prove it.
Stiles ran.
He darted left, scrambling up a mossy embankment and leaping the creek in a spray of silver water. His feet hit the far bank and he pushed off, weaving between the old oaks, and he could feel Derek behind him—closer, closer, the heat of him like a bonfire at Stiles's back. The alpha's breath came in controlled bursts, steady despite his speed, and Stiles realized with a thrill that crawled down his spine like electricity: Derek wasn't just chasing him. Derek was savoring it. Closing the distance deliberately, slowly, drawing out the pursuit the way you draw out a first taste of something you've been craving your whole life.
Stiles broke into a clearing where the oaks opened up and the moon poured down like a spotlight, and that was where Derek caught him.
An arm around his waist—solid, unbreakable, burning hot even through the thin linen of his shift. Stiles's back hit Derek's chest and the world stopped.
Not figuratively. The sounds of the forest, the distant howls, the wind in the canopy—it all went muted and far away, like someone had put them under glass. All Stiles could hear was Derek's heartbeat against his spine and his own heartbeat in his throat, and they were synchronizing, actually synchronizing, falling into the same rhythm like two drums finding the same downbeat.
The bond snapped into place.
Stiles had heard people describe it differently—a click, a spark, a sense of falling. For him, it was warmth. A tidal wave of warmth that started where Derek's skin touched his and flooded outward, filling every hollow and hungry place inside him that he hadn't even known was empty until it was suddenly, impossibly full.
"Stiles." Derek's voice was shattered. Barely human, roughened by his shift and by something rawer—wonder, maybe, or the particular devastation of getting something you'd stopped letting yourself want. His face pressed into the curve of Stiles's neck and he inhaled, a shaking, greedy breath, and the sound he made was so broken and grateful that Stiles's eyes burned.
"It's you," Derek said against his skin. "It's— God, it's you. It's been—"
"I know." Stiles turned in his arms, and Derek let him, and then they were face to face in the moonlight and Derek's eyes were blazing crimson and wet and his hands were trembling where they held Stiles's waist. "I know, Derek. I've known. I've always—"
Derek kissed him.
Not gently. There was nothing gentle about it, and Stiles didn't want gentle—he wanted this, exactly this: Derek's mouth on his like a man breaking a fast, hot and desperate and thorough. Derek's hands sliding up his back, pulling him closer, pulling him in, like the half-inch of space between their bodies was an insult to the bond pulsing between them. Stiles grabbed the back of Derek's neck and held on and kissed him back with six years of longing behind it, and when Derek growled into his mouth—that deep, rolling alpha growl that Stiles felt in his teeth—Stiles whimpered and went liquid against him.
"I need—" Stiles gasped when they broke apart. "Derek, I need—"
"I know." Derek's thumbs traced his hipbones through the linen. His eyes searched Stiles's face with an intensity that was almost painful. "Are you sure? Stiles, you have to be sure, because if we do this I won't be able to—I can't—"
"I have been sure since I was twelve years old and you were standing in your mother's kitchen looking like someone carved you out of moonlight and bad decisions," Stiles said fiercely. "I'm sure. Mate me. Please. Derek."
Something in Derek's expression cracked open—the last wall, the last piece of armor he'd been holding between himself and the possibility of this—and what was underneath was so raw and real and devoted that Stiles couldn't breathe.
"Yeah," Derek whispered. "Okay. Yeah."
Derek lowered Stiles to the ground like he was something consecrated.
The clearing floor was soft—thick moss and fallen leaves, still holding the day's warmth—and the moonlight turned everything to silver and shadow. Derek knelt over him and just looked, and Stiles would have made a joke about taking a picture if Derek's expression hadn't stripped every clever word from his brain.
No one had ever looked at him like that. Like he was the answer to a question Derek had stopped asking.
"You're shaking," Stiles whispered, touching Derek's jaw. The stubble rasped against his fingers and Derek turned into the contact like a sunflower following light, pressing his lips to Stiles's palm.
"Five years." Derek's voice was rough. "Five years, and you were right here. Growing up. Waving at me in parking lots."
"To be fair, I was aggressively flirting. The waving was very calculated."
Derek almost laughed—Stiles could see it happen, the way his face fought against the smile—and then he leaned down and kissed Stiles again, slower this time. Thorough. Mapping the shape of his mouth with a deliberate attention that made Stiles arch up against him, chasing contact, chasing more.
Derek's mouth trailed along his jaw. Down his throat. Stiles tipped his head back and bared his neck—pure instinct, the omega offer of submission that he'd never understood before now, never felt the pull of until this moment when it felt as natural and necessary as breathing. Derek made a sound against his pulse point that was barely a word: something reverent, something wrecked.
"Can I—" Derek's fingers found the hem of Stiles's shift. "I want to see you."
"If you don't get this off me in the next three seconds I'm going to claw it off myself and I like this shirt."
Derek pulled it over Stiles's head in one smooth motion, and then Stiles was bare beneath him and the cool night air hit his flushed skin and Derek's hands were everywhere—spanning his ribs, sliding up his chest, thumbs brushing over his nipples in a way that made Stiles's hips jerk involuntarily.
"Sensitive," Derek murmured, and did it again, and Stiles whined—an actual omega whine, high and needy, the kind of sound he would have been mortified by ten minutes ago and now couldn't bring himself to care about because Derek's eyes had gone molten at the noise.
"You have no idea," Derek managed, pressing his forehead to Stiles's sternum, breathing hard, "what that sound just did to me. To my wolf. To my—everything."
"Tell me," Stiles whispered.
Derek lifted his head, and his eyes were molten. "It made me want to take you apart. Slowly. Until you make that sound again. Until that's the only sound you can make."
"Oh God."
Derek kissed down his chest. Down his stomach, following the trail of moles that Stiles had always been self-conscious about and that Derek was currently treating like a constellation he wanted to memorize. When he reached the waistband of Stiles's pants, he paused, looking up.
"Still sure?"
"Derek Hale. Alpha. Light of my life. I swear on my mother's grave—"
Derek pulled his pants off.
The scent of Stiles's slick hit the air between them and Derek's reaction was immediate and devastating—his whole body shuddered, his claws extended, and the growl that ripped from his chest was so deep it vibrated in Stiles's bones. His eyes flared a red so bright it cast shadows.
"You smell—" Derek's voice had dropped an octave. His hands gripped Stiles's thighs, spreading him open, and the raw hunger on his face would have been frightening from anyone else but from Derek it was the most intoxicating thing Stiles had ever experienced. "Stiles, you smell like mine."
"Because I am." Stiles reached for him, pulling at his shoulders. "Come here. Derek, come here, I need you closer, I need—"
But Derek wasn't coming closer. Derek was going down.
His mouth dragged along the inside of Stiles's thigh, following the slick trail with a single-minded focus that short-circuited every thought in Stiles's head. When his tongue pressed flat against the crease of Stiles's thigh and licked—a long, slow, deliberate stroke through the slick gathered there—the sound Derek made was barely human. A groan so deep it seemed to come from somewhere primal, somewhere before language, and his hands tightened on Stiles's hips hard enough to bruise.
"Derek—oh my God, Derek—"
"I can't—" Derek's voice was wrecked, his breath coming hot and ragged against the most intimate part of Stiles. "You taste— I need—"
He licked again, and this time his tongue found the source, dragging through the slick where Stiles was hottest and wettest, and Stiles's entire body seized. His back arched off the moss, his claws dug into the earth, and the sound that came out of him wasn't a whine or a moan but something in between—desperate and broken and pleading.
Derek growled against him, and the vibration of it nearly ended Stiles right there. He could feel more slick pooling in response, his body reacting to Derek's mouth the way a tide reacts to the moon—involuntary, overwhelming, a force he couldn't have fought even if he wanted to. And Derek drank him in like he was dying of thirst, like Stiles's slick was the only thing he'd ever wanted to taste, lapping at him with a greed that was almost reverent.
"You taste like—" Derek pressed his open mouth against Stiles's inner thigh, breathing hard, his lips shining. "Like the way you smell but more. Like I've been starving for six years and didn't know it. Like—"
"If you don't stop talking about how I taste and do something about it I am going to vibrate out of my skin—"
Derek surged up and covered him, and the full weight and heat of him pressing Stiles into the moss was almost a relief after the devastating precision of his mouth. Stiles wrapped his legs around Derek's waist and felt the hard length of him through his remaining clothes and his vision actually sparked at the edges. He was so wet now—impossibly, achingly wet, every nerve ending between his thighs lit up and screaming—that he could feel the slick soaking into the moss beneath him.
"Off," Stiles gasped, scrabbling at Derek's waistband. "These need to be off, immediately, this is an emergency—"
Derek shucked his pants with considerably less grace than he'd removed Stiles's, and then there was nothing between them and the skin-to-skin contact was staggering. Everywhere Derek touched him felt like electricity and honey, like being gently struck by lightning. Stiles could feel something building between them—not the bond, not yet, but the promise of it. A live wire waiting to be connected. Every point of contact hummed with it, his wolf straining toward Derek's like two magnets held a hair's breadth apart.
"I can feel it," Derek said, wonder cracking his voice. "The pull. It's—God, Stiles, it's like my wolf is trying to crawl out of my skin and into yours."
"Then you know that if you don't get inside me in the next sixty seconds I'm going to lose my entire mind—"
Derek kissed him quiet, which was a neat trick that Stiles filed away for future analysis, and then his hand slid between Stiles's thighs and his fingers found the slick heat of him and Stiles arched off the ground with a cry that sent birds scattering from the nearby trees.
Derek worked him open with a patience that bordered on cruel—one finger, then two, curling and stroking while Stiles writhed beneath him and made sounds he'd be embarrassed about later. He was impossibly wet, his body doing exactly what it was designed to do, preparing for his alpha, and every stroke of Derek's fingers sent liquid pleasure radiating up his spine.
"You're ready," Derek murmured against his throat. "You're so ready, you're perfect, Stiles—"
"Please."
Derek lined himself up, the broad head nudging against Stiles's entrance, and their eyes met. In the moonlight, with his shift bleeding through—the sharp cheekbones, the pointed ears, the red eyes burning with an intensity that had nothing to do with the alpha shift and everything to do with the man behind it—Derek looked like something out of myth. A creature at the edge of the woods in a story about being consumed, and wanting it, and knowing that the consuming would remake you into something you were always meant to be.
"Together," Derek said. A question and a promise.
"Together," Stiles echoed.
Derek pushed in.
Stiles's world whited out.
Not from pain—there was a stretch, a fullness so profound it stole his breath, but his body welcomed it with a desperate, aching relief that was almost its own kind of pleasure. It was the bond. The bond flooded open like a dam breaking, pouring Derek's emotions into him in an overwhelming torrent: years of loneliness, years of searching, years of believing something was wrong with him because he couldn't find the one thing every wolf was promised. And then—cutting through all of it like sunlight through stormclouds—joy. Raw, staggering, incredulous joy.
"Oh," Stiles breathed, and he was crying. They were both crying. "Oh, Derek, I feel you—"
"I know." Derek's forehead dropped to his. His hips seated fully, buried to the hilt, and he held there, trembling with the effort of restraint. "I know, I feel you too, I feel—Stiles, you feel like home—"
"Move. Please, God, move—"
Derek moved.
The first thrust punched the air from Stiles's lungs. Derek set a rhythm that was devastating in its precision—deep, rolling, angled to hit the spot inside Stiles that made his claws extend and his vision blur. Each stroke drove them further into the bond, sensation folding over sensation, pleasure compounding until Stiles couldn't tell where his body ended and Derek's began.
He clung to Derek's shoulders, claws pricking the skin, and Derek groaned like the small bright pain was a gift. "Harder," Stiles gasped. "Derek—I can take it—"
Derek growled—a sound of pure, surrendered want—and his hips snapped forward with the full force of an alpha who'd stopped holding back. Stiles screamed. His back bowed off the ground, his thighs clamping around Derek's waist, and the angle was perfect, it was devastating, every thrust lighting him up from the inside.
"That's it," Derek panted, his rhythm relentless now, driving into Stiles with a focus that was almost worshipful. "Let me hear you, let me—God, the sounds you make—"
Stiles was beyond words. He was a live wire, sparking and twisting, anchored only by Derek's hands on his hips and the bond singing between them like a struck bell. He could feel his orgasm building—not just in his body but in the bond itself, a rising wave of shared pleasure that was going to crash over both of them simultaneously.
"Derek—I'm close, I'm—"
"I know. I can feel it." Derek's rhythm stuttered, his own control fraying. "Me too. Stiles—when I knot—the bond will seal. Permanently. You understand?"
"Yes. Yes, I want it, I want you, I want—"
"I'm going to bite you. The mating bite. I need you to know—"
"Do it. Derek, I want it, I've wanted it since—"
Derek thrust deep—once, twice—and Stiles felt it: the base of Derek's cock swelling, the knot locking them together in a connection so intimate it felt like their bodies were having a conversation too private for language. The stretch was immense, a pressure that teetered on the razor's edge between too much and exactly enough, and when Derek ground his hips in a tight circle Stiles shattered.
His orgasm ripped through him like a forest fire—brilliant and consuming and endless, carrying Derek's pleasure with it through the bond in a cascading feedback loop that amplified everything tenfold. He felt Derek come inside him, felt the pulsing heat of it, and at the peak of it—
Derek bit.
His teeth sank into the juncture of Stiles's neck and shoulder, the mating bite, and the bond detonated. Stiles's vision filled with gold. Not the red of alpha or the amber of omega but something new, something that belonged only to them—a color that meant bonded, claimed, complete. He felt it settle into his bones, into the marrow of him, rewriting the fundamental architecture of his wolf to include Derek the way lungs include air.
Derek's jaw released, his tongue laving over the bite mark, and he was shaking, his whole massive body trembling against Stiles's like a building after an earthquake.
"Stiles." His voice was gutted. Remade. "Stiles, I—"
"I know." Stiles cradled his face in both hands, thumbs tracing the wet tracks on Derek's cheeks. He was crying again too, or maybe he'd never stopped. "I know. Me too. Always."
Derek's knot pulsed inside him and Stiles shivered, aftershocks rolling through them both in tandem, and Derek wrapped his arms around him and rolled so Stiles was draped across his chest, still locked together, the knot keeping them joined in a connection that would last—the books said—anywhere from twenty minutes to an hour.
Stiles pressed his ear to Derek's chest and listened to his heartbeat. It matched his own. Exactly. Perfectly.
"So," Stiles said, after a long, comfortable silence. "I guess you're not moving to Oregon."
Derek huffed a startled laugh. "How did you—"
"Beacon Hills is a small town, Derek. Gossip is our only industry." He traced a lazy pattern on Derek's chest. "Cora told Scott who told me, and I may have had a minor existential crisis about it."
Derek's arms tightened around him. "I wasn't leaving because I wanted to."
"I know."
"I thought—" His voice caught. "I thought there was no one. Five runs, Stiles. Five runs and nothing. I thought something was broken in me."
Stiles lifted his head. In the moonlight, with the bite mark still throbbing on his neck and their bond humming between them like a plucked string, Derek looked younger than Stiles had ever seen him. Open. Unguarded. His.
"Nothing is broken in you," Stiles said, quiet and fierce. "You were waiting for me. You were waiting for me to be ready, and I—I know that's a lot to put on a person, and I know the timing was—"
Derek kissed him. Soft this time. Soft, and slow, and full of something that didn't need a name because it was written into the bond itself, indelible as a mating bite.
"The timing," Derek murmured against his mouth, "was perfect."
Above them, the October moon sailed on, silver and certain, and somewhere in the Preserve a wolf howled—long and joyful, the kind of howl that meant something had been found. Stiles smiled against Derek's lips and howled back, his voice lifting into the night, and Derek joined him, their voices twining together the way their lives were about to.
The last run.
The only one that mattered.
They walked back through the Preserve hand in hand, and Stiles couldn't stop touching the bite mark on his neck.
It didn't hurt. That was the strange thing—or maybe not strange at all, because every book he'd ever read about mating bonds said the bite healed into something that felt more like a second pulse point than a wound. It was warm under his fingertips, thrumming gently in time with Derek's heartbeat, which Stiles could now feel as clearly as his own. A steady bass note beneath the surface of everything.
"Stop poking it," Derek said, but his voice was soft, and his thumb was tracing slow circles on the back of Stiles's hand.
"I'm not poking. I'm appreciating. There's a difference." Stiles bumped his shoulder against Derek's arm—his shoulder only reached Derek's arm, which was a height differential he was going to have feelings about later—and grinned up at him. "How do I look? Freshly mated? Thoroughly claimed? Ravished in the woods by a broody alpha with commitment issues?"
"I don't have commitment issues."
"Derek, you were going to move to Oregon."
"That's not—that was the opposite of a commitment issue. That was a commitment to accepting—" He stopped, jaw tightening, and Stiles felt a spike of old pain through the bond—the ghost of five years of loneliness, dulled now but not gone.
Stiles squeezed his hand. "Hey. I'm kidding. I'm here. I'm not going anywhere, and neither are you, and if you even look at a real estate listing for Oregon I will physically fight you."
Derek's expression cracked into something helpless and warm. "You weigh a hundred and forty pounds."
"A hundred and forty-seven, and I'm scrappy."
They emerged from the tree line into the clearing, and the world rushed back in.
The bonfire had burned down to a deep red glow, and the crowd had shifted—families clustered together, murmuring, watching the tree line for the returning pairs. This was the part of the night that Stiles had always watched from the sidelines as a kid: the mated couples walking back out of the Preserve, flushed and marked and changed, presenting themselves to the pack. Some years there were two or three couples. Some years a dozen. Stiles remembered sitting on his father's shoulders at age seven, watching a newly bonded pair step into the firelight, and asking why the lady was crying. She's happy, kiddo, his dad had said. Sometimes that's what happy looks like.
They weren't the first couple back. Boyd and a tall, sharp-featured omega Stiles vaguely recognized from the next town over were standing near the ceremonial table, Boyd's hand resting on the back of her neck with a quiet possessiveness that looked right on him. Erica was sprawled across a blanket with a sandy-haired alpha, looking deeply smug. A few other pairs were scattered through the crowd, receiving congratulations, being folded back into the community like threads rewoven into cloth.
Talia Hale saw them first.
She was standing at the edge of the firelight with Laura and Cora, and Stiles watched her expression cycle through surprise, recognition, and a joy so profound it transformed her entire face. She pressed both hands to her mouth, and Laura grabbed Cora's arm, and Cora said, loud enough to carry: "I knew it."
The news traveled through the crowd like a wave. Stiles could track it—the turning heads, the widening eyes, the murmur building into an actual buzz as Beacon Hills processed the fact that Derek Hale, the Lone Wolf himself, five-time veteran of the run, the most sought-after unmated alpha in the territory, had walked out of the Preserve bonded to Stiles Stilinski. The Sheriff's kid. The gangly one with the big mouth.
The copper-haired omega from the line—the one who'd whispered oh my God when Derek stepped forward—was staring at Stiles with an expression of such pure, bewildered disbelief that Stiles almost felt bad for her. Almost. He was too busy being bonded to Derek Hale to feel bad about anything.
And then—because the universe had a sense of narrative timing—Stiles's gaze snagged on Jackson Whittemore.
Jackson was standing near the cider table with Danny, a cup frozen halfway to his mouth. His face was doing something extraordinary. Stiles had seen Jackson angry, smug, contemptuous, and once—memorably—tearful at the lacrosse finals (whatever Lydia had on him, it was clearly potent). But he had never seen Jackson Whittemore speechless.
His eyes tracked from Stiles to Derek. To their joined hands. To the bite mark on Stiles's neck—unmistakable, undeniable, a mating claim from a Hale alpha. His mouth opened. Closed. Opened again.
Danny, to his eternal credit, leaned over and said something in Jackson's ear that made Jackson's face go the particular shade of pink that meant he was experiencing an emotion he didn't have a setting for.
Stiles could have been mature about it. Could have taken the high road, let the moment speak for itself, allowed Jackson the dignity of processing his wrongness in private.
Instead, because he was Stiles, he caught Jackson's eye across the clearing and raised his free hand in a cheerful little wave. The exact same wave he'd given Derek in the grocery store parking lot all those times—whole arm, rescue-helicopter style, absolutely unhinged.
Derek glanced down at him. "What are you doing?"
"Being gracious in victory."
"You're waving at Jackson Whittemore like you're trying to land a plane."
"Graciously."
Derek looked across the clearing at Jackson, then back at Stiles, and something clicked. "Did he say something to you? Before the run?"
"Nothing that matters anymore." Stiles squeezed his hand and meant it. Jackson's words had been barbed, and they'd stuck, and for a few dark minutes in the forest they'd almost gotten their hooks in deep enough to matter. But they didn't matter now. Not with Derek's pulse beating steady against his palm and the bond humming warm and certain between them. Some things answered themselves.
But Stiles wasn't looking at the Hales or at Jackson anymore. He was looking past them, to where his father stood.
John Stilinski was exactly where Stiles had last seen him—near the bonfire, Melissa at his side—but he wasn't standing with his arms crossed anymore. He'd gone very still, the way he went still when something big was happening and he needed a second to process it. His eyes found the bite mark on Stiles's neck first, then tracked to Derek, then to their joined hands, and then back to Stiles's face.
Stiles braced himself. Not because he was afraid—his dad had never been anything but supportive, had signed the registration form for the run without hesitation, had told Stiles he was enough no matter what—but because this was big. This was his dad watching his only child walk out of the woods bonded to someone for life, and Stiles knew, with the gut-deep certainty of someone who'd watched his father grieve one great love, exactly how many feelings were behind that still expression.
He let go of Derek's hand. "Give me a second?"
Derek nodded—he understood, Stiles could feel it through the bond, a pulse of go, he needs you, I'll be here—and Stiles crossed the clearing.
John met him halfway.
For a moment they just stood there, father and son, the bonfire painting them in shades of amber. John's gaze swept over him—cataloguing, the way a parent does, checking for damage and finding something else entirely. The bite mark, already healing into a clean crescent. The flush on Stiles's skin. The way his scent had shifted, no longer just rain and ozone and warm honey but threaded now with cedar and iron, with Derek, the two of them woven together at the molecular level.
"So," John said. His voice was steady. His eyes were not. "Derek Hale."
"Derek Hale," Stiles confirmed.
John nodded slowly. He looked across the clearing to where Derek stood, watching them with an expression of careful, barely concealed terror—because Derek Hale, who had chased down his mate through a dark forest and knotted him under the full moon without a second's hesitation, was apparently afraid of the Sheriff.
"He looks scared," John observed.
"He should be. You're very intimidating."
"I'm going to have to talk to him."
"Yep."
"I'm going to have to give him the talk. The if you hurt my son talk. I've been rehearsing it since you were fourteen and couldn't stop talking about his—what was it—his 'stupid perfect jawline.'"
"Oh my God."
"I have notes, Stiles. Index cards."
"Dad."
John's composure cracked—a fracture line running through the stoic-Sheriff facade—and suddenly his eyes were bright and he was pulling Stiles into a hug so fierce it lifted him off his feet. His hand cradled the back of Stiles's head the way it had when Stiles was small enough to carry, and his voice, when it came, was rough with everything he wasn't going to say in the middle of a crowded clearing with half the town watching.
"Your mother would be so happy," he said, quiet enough that only Stiles's wolf ears could catch it. "She'd have something clever to say about you two, and I'd never be able to remember it right, but she'd be—" His voice broke, just slightly. Just enough. "She'd be so happy, kid."
Stiles held on. The bond pulsed warm at his neck, Derek's steady heartbeat anchoring him from across the clearing, and his father's arms held the rest of him, and for a moment the world was very small and very full.
"Thanks, Dad," he whispered.
John set him down, cleared his throat, swiped at his eyes with the brisk efficiency of a man maintaining plausible deniability about the crying, and straightened his jacket. "Okay. Bring him over."
"Be nice."
"I'm always nice."
"You have your service weapon on."
"It's a security detail, Stiles. I'm on duty."
"You are not on duty, you are wearing jeans—"
"Bring. Him. Over."
Stiles went to get Derek, who had been watching the exchange with the expression of a man calculating the distance to the nearest exit. Stiles grabbed his hand and tugged him forward.
"Derek Hale," he said, feeling the giddiness rising in his chest like champagne. "This is my dad. Dad, this is Derek. My mate."
The word hit the air and Stiles felt it land in the bond—a bright, singing note of yes from Derek's side so intense it nearly buckled his knees.
"Sir," Derek said, extending his hand. His voice was admirably steady for someone whose heartbeat Stiles could feel hammering through the bond like a trapped bird.
John looked at Derek's hand. Looked at Derek. Let the silence stretch exactly one beat longer than was comfortable—and Stiles recognized the move, had seen his dad use it on suspects—before he took it.
"I've known you since you were a kid, Derek," John said. "You were a good kid then. I've watched you grow into a good man. You come from good people." He held the handshake, held Derek's eyes. "And I watched you run five times and come home alone, and I watched what that did to you. So I'm not going to stand here and threaten you, because I don't think I need to. I think you know exactly what you've been given tonight."
Derek's throat worked. "Yes, sir. I do."
"Good." John released his hand, and then—in a move that clearly surprised Derek so thoroughly that Stiles felt a shockwave of what is happening through the bond—he pulled Derek into a hug. Brief, firm, the back-clapping kind that men used when they were feeling something too large for words, but real.
"Welcome to the family, son," John said gruffly, stepping back. "Now. Both of you come get something to eat. You look like you've been—" He paused, visibly reconsidered what he'd been about to say, and pinched the bridge of his nose. "Running. You look like you've been running."
"We were running," Stiles said innocently.
"Don't. Do not." John pointed at him. "I am choosing to believe that my son and his new mate spent a perfectly chaste and wholesome evening in the Preserve and that bite mark is decorative."
"Extremely decorative. Very tasteful."
"I'm going to get more coffee."
John walked away toward Melissa, who was already laughing, and Stiles turned to Derek and found him standing very still with an expression Stiles had never seen on him before. Open. Overwhelmed. Grateful.
"Your dad," Derek said carefully, "is a good man."
"The best." Stiles stepped into his space, fitting himself against Derek's chest like he'd been doing it for years instead of hours. "You okay?"
Derek wrapped his arms around him. Pressed his face into Stiles's hair. Through the bond, Stiles felt a wave of emotion so layered and deep it was almost too much to hold: love, and relief, and the particular, devastating peace of someone who had been bracing for loss and found belonging instead.
"Yeah," Derek murmured. "I'm okay."
Across the clearing, Talia Hale was making her way toward them with the kind of purposeful maternal stride that suggested more hugging was imminent. Cora was trailing behind her, already composing what was clearly going to be a devastating best-man speech. Laura had her phone out. Scott was bouncing on his toes next to Melissa, radiating secondhand joy like a space heater.
And John Stilinski stood at the edge of the firelight with his coffee, watching his son lean into his mate's arms, and smiled the smile he only ever smiled when he was thinking about Claudia. Soft. Hurting. Grateful.
She'd have liked him, he thought. She'd have liked him a lot.
Above the Preserve, the October moon hung full and steady, and Beacon Hills hummed with the ancient, ordinary magic of wolves finding their way home.