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Yu discovers quickly that it’s a dangerous thing, kissing Geon.
Because you’re not supposed to be able to get remotely close to the sun, let alone close enough to kiss it. The sun is a burning ball of hydrogen gas and helium plasma of over a million degrees Celsius, and human tissue is not built to withstand the infrared heat radiating outwards. Kissing Geon kind of feels like being seconds away from vaporising into a million indiscernible particles, which Yu privately thinks is not a bad way to go.
Geon kisses him like he does most things, with all of his energy and clumsy determination. Geon kisses with his entire body, wandering hands and sharp canines that drag along the sensitive skin of Yu’s neck, under his jawline. Yu kisses Geon like he’s not at risk of burning alive, even though every press of their bodies is like the hiss of a hot stovetop, and when Yu’s hand travels under Geon’s shirt and traces the ridges of his spine, his fingertips tingle, like they’ve been singed.
Geon is sitting on his lap, his legs wrapped around Yu’s waist so that their chests are flushed together, so that there is no breadth of distance between them. Yu’s cock is straining in his sweatpants, pressing up against the gap between the soft cheeks of Geon’s ass. He's moaning so sweetly into Yu’s mouth as they kiss and make out, grinding into each other, and turning the air around them thick and heady.
Yu groans when Geon rolls his hips to grind down on him. He slips his hands under Geon’s shirt to grip his narrow waist tightly, moving his hips upwards to match his rhythm. It feels dangerous, this all-body consuming sensation. He feels like he’s playing with an open flame, a flickering fire, a burning star. Geon grinds his cock against Yu’s abs and pulls at the base of his hair, making Yu swear into his mouth.
“Fuck, Geonie,” Yu kisses down the base of Geon’s neck, biting lightly at his Adam’s apple and collarbones, rolling his hips upwards to elicit a whine from Geon’s throat. Yu body tingles at the sound and he breathes out, “You’re killing me.”
Geon is grinning as he says, “Yeah? Are you dying Yu-hyung?”
Yu pauses, lifting his head up to stare at Geon flatly. He wonders how it is possible for Geon to be the most lovable person to exist, only to have the unfortunate trait of getting off on annoying Yu. Geon pouts at his expression, his pink lips are slick and shiny with spit, pupils blown wide with humour and affection. Yu has to tilt his head backwards to avoid the tantalising sight, groaning to himself silently. His dick hasn’t softened at all.
Yu lifts Geon up by his waist and flips them over so that he’s on top, pinning Geon down into the mattress with his body. Geon lets out a surprised laugh that’s filled with delight. Yu straddles Geon’s thighs, rubbing small circles into his hip bones as he stares down at the teasing smile on Geon’s face, lighting up the lines around his eyes with pure exaltation.
“You’re so fucking annoying,” Yu says with fondness, leaning down to bite at Geon’s lower lip, hard enough that Geon hisses at him. He loves this boy so much it hurts. Yu’s fingers press at the sensitive spots on the sides of Geon’s waist and teases, “You’re doing it on purpose, aren’t you?”
Geon yelps and squirms, laughing as he defends himself, “I don't know what you're talking about. I didn't do anything at all.”
“Stop lying. You get off on being a brat, don’t you?” Yu murmurs into Geon’s ear, biting his earlobe, tasting the cold metal of his earrings. Geon still refuses to concede to his provocations, shaking his head with a face scrunched up in laughter, denying him with fervour.
“No?” Yu reaches down between their bodies to palm at Geon’s hard cock, “What is this then?”
“Ah,” Geon arches his back, driving his cock forward into Yu’s touch. But before he can get any friction on it, Yu retreats his hand and sits back upright. He grabs Geon’s arms and pins them down into the mattress, leaving Geon’s neglected cock alone and straining in his pants.
Geon’s hips jerk upwards. “Yu. What the fuck,” he whines out, a sensational noise that travels down Yu’s spine. Pleasure sings in his body, knowing that he’s made Geon like this, he’s the one who has unravelled him this much.
“Say you’re sorry,” Yu teases, laughing at the way Geon wriggles underneath his touch. It’s funny how Geon doesn’t struggle nearly as much as Yu expects him to, fighting half-heartedly against Yu’s grasp. He moves Geon’s wrists to pin them above his head with one hand and uses his other hand to gently cup Geon’s balls, purposely ignoring his hard cock.
“Fuck,” Geon gasps out, hips twitching weakly, “Okay, I’m sorry.”
“Good boy,” Yu coos without thinking. A whine slips out of Geon’s throat.
Then there’s a moment in which they just stare at each other in silence, realising what just happened.
Geon’s upper lip twitches, and within an instant, Yu is collapsing into laughter, body folding over to collide with Geon’s torso. Their chests vibrate with the synced symphony of their laughter, the absurdity and clumsiness of it all, and Yu thinks this too cannot have been born from coincidence. Their must souls have known each other before this lifetime, that they must have been lovers when they were nothing more than molecules in the sun’s nebula.
Yu stares at Geon with a smile that threatens to split his face wide open. They kiss each other with a sense of urgency and reckless abandon, limbs scrambling to remove each other’s clothes. When they’re down to their underwear, Yu has to pause and admire the half-naked boy splayed out beneath him, his messy hair and olive skin, his bright, bright, bright, shining eyes.
“You’re beautiful,” Yu blurts out, a little too honestly.
Geon kicks at his chest and says, “You’re being cringe.” But there’s a pretty blush that blooms on Geon’s naked torso and spreads upwards to his face, telling Yu that he likes the compliment more than he’ll admit.
Yu laughs and catches Geon’s raised leg, resting his calf on his shoulder and kissing up the inside of Geon’s thigh. He gets dangerously close to Geon's crotch, but he purposefully avoids giving his aching length any attention. Yu drops Geon’s leg onto the bed and leans down to kiss the hard lines of Geon’s abdomen, trailing his lips up his chest, biting at his pink and perk nipples.
“Yu-ah,” Geon pants with wide eyes, the red flush on his body deepening in colour. He looks wrecked already, chest heaving with shallow breaths, pupils so dilated they look black in the dim light. Oh, how badly does Yu want to ruin him. “Please,” Geon breathes out, looking not quite sure of what he’s begging for.
“Shhh,” Yu whispers. His own cock is so hard it’s starting to hurt, but Yu forces himself to go slowly. He wants to be a gentle lover, he wants to pour out the enormity of his desire and affection with each kiss, press it into every inch that he explores of Geon’s skin, so that eventually Geon will be bathing in the love that he gives.
Geon may be sunlight, but Yu will be the hands that guide him to earth, he will be the brevity of the moon, drawing in the burning rays of the sun and reflecting it onto the earth, onto the sleeping flowers and the resting trees, as if saying, look at my lover, look at his light.
“You have so many freckles,” Yu says. His lips burn with every kiss he presses onto the numerous beauty marks dotting Geon’s skin. He uses one hand to fondle a pebbled nipple, delighting in the noises that escape Geon’s mouth.
When Yu’s hands reach the top of Geon’s underwear, he deliberately pauses before sliding them off slowly, inch by inch. Geon curses at him and thumps Yu’s back with his foot, hands flying to help him pull off his briefs, flinging it somewhere near his messy pile of clothes on the floor.
Yu laughs at his eagerness and chides with humour, “Patience, Geon-ah.”
“You can take your patience and shove it up your—”
Yu will never know where he wanted him to shove his patience up, because Geon cuts himself off with a loud moan when Yu finally gets a hand around his cock. It’s as pretty as the rest of him, pink like cherry blossoms in bloom, darker at the base and glistening with wet dew at the tip. He’s leaking so much that Yu doesn’t need any spit to smoothly slide his hand up and down it.
“Yu-ah,” Geon whines out. He slides forward so that he’s half on-top of Yu’s kneeling legs and gets his cock out of his underwear. Yu gasps sharply at the sensation of their cockheads rubbing against each other. His own pre-cum is practically dripping onto Geon’s dick, making the glide of his hand even smoother. Yu hastily removes his underwear fully. He pushes Geon down into the bed and climbs on top of him, knees on either side of his thighs, and slides their cocks together properly.
Geon leans forward to wrap a hand around their cocks, “You’re big.”
Yu looks down. His dick is only slightly longer than Geon’s, but it’s definitely thicker, making it difficult for Geon to fully wrap his hand around both of them. Yu takes over, fisting their cocks together and pushing Geon back down into the mattress with a wet and sloppy kiss.
Yu uses one elbow for leverage as he strokes their cocks, kissing Geon with mindless fervour, and thrusting into the wet heat of his fist and their burning bodies, brain melting at the sensation of Geon’s cock sliding against his. A trail of saliva connects their tongues as Yu lifts his head, panting into Geon’s mouth.
Geon wraps his legs around Yu’s thighs to give him more leverage as he rolls his hips to the sound of their heavy breathing, the rhythm of their thundering heartbeats. They’re pressed together from thigh to chest, Yu’s hand on their cocks the only thing separating their bodies. Geon rolls his hips upwards, moving in perfect synchroneity with Yu, until they are closer to resembling a shapeless mass of incandescence than human bodies. It feels like they’re melding together in nuclear fusion, hydrogen and helium, and Yu is burning, burning, burning.
Yu stares into the beautiful brown of Geon’s eyes. They’re both breathing heavily into each other’s open mouths with a mixture of things that are hard to name, emotions that feel too much like the universe being carved open, intestines and cosmic dust spilling from their guts.
“Yu-ah,” Geon gasps out. He’s gripping at Yu’s biceps, pulling him impossibly closer still. His eyes are shining, burning with such intense emotion it feels a little like staring directly into the sun. Geon’s mouth opens and closes, as if there are words stuck there that he doesn’t know how to say.
“I know, I know,” Yu is saying, and he's pressing in harder, thrusting forward with mind-addled fervour, and he doesn’t mean for it to fall out of his mouth, but he tells him, “I love you.”
“Yu–,” Geon chokes out and comes with a cry, spilling into Yu’s hand and their burning bodies. Yu comes immediately after, groaning loudly, with Geon’s name searing like a brand on his tongue.
Yu slumps over, his body fully bracketing Geon’s, brain too blissed out to be immediately disgusted by the wet squelch of their spend in between them. They’re both panting with exertion, bodies rising and falling with synchronised breaths. Yu allows himself to enjoy the moment for a while longer before he gives into the urge to clean up.
Geon whines at him when Yu gets up from the bed but otherwise doesn't move, laying sprawled out like a starfish. Yu lets out a fond laugh as he wanders into the bathroom, eager to get the drying come off his body.
“You know, it’s okay if it was something you said in the moment,” Geon says after a while, his voice sounding strangely small drifting in from the bedroom.
“Huh?” Yu returns with a damp towel after washing his hands and chest, and realises Geon is talking about his confession. It’s certainly not how Yu has ever imagined telling Geon he loves him, but after holding in the words for so long, he feels mostly relieved that they ever came out at all.
Yu leans over Geon as he carefully cleans the come off of his stomach and says, “I meant it. It wasn’t a spur of the moment.” He pauses and stares directly into the sun, “I love you.”
Geon grins at him with an eye-crinkling smile, “I knew it.” But even he can’t hide how he sounds relieved to hear it out loud.
Yu squints at him, slightly perturbed but decides to let it slide. He throws the sullied towel into their laundry pile and turns to their wardrobe to fish out clean underwear for both of them.
“Me too,” Geon says behind him. Yu turns around to find Geon chewing on his lower lip, “I love you too.”
“I knew it,” Yu says triumphantly and tosses Geon’s underwear directly into his face. Internally though, it feels like his heart has expanded to the size of a giant star, swelling and swelling with luminous energy, until the nuclear and gravitational forces cannot do anything but be at war with one another, and his chest is bursting in a brilliant, brilliant, supernova explosion.
Geon squawks at him indignantly and wiggles rather ungracefully into his briefs. Yu stares at him with a fond smile, but his eyes wander to the rumpled bedsheets surrounding him. Even though they managed not to stain them, Yu still has the inexplicable urge to change them immediately.
Geon pouts at him like he knows what Yu is thinking and beckons with outstretched arms for him to come closer. Yu steps forward and Geon pulls him down to lie next to him. He wraps his arms and legs around Yu’s body like an octopus and says, “We can change the sheets tomorrow.”
“Okay,” Yu laughs softly and wraps an arm around Geon’s waist, pulling him impossibly closer to his body, “Tomorrow then.”
Then, Yu adds for good measure, “I love you.”
Geon snuggles in closer and says with a sleepy smile, “I know.”