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I walked in on my crush getting wicked backshots and all I got was a mouthful of cum

Summary:

Caelus has the perfect gift for the newest member of the Astral Express! It's too bad someone's already beaten him to the punch.

Notes:

Will this fic age like milk when Sunday doesn't become apart of the Express? we'll see.
oh yeah, fem terms for Sunday's genitals in case you didn't see that tag

(See the end of the work for more notes.)

Work Text:

The silence in the room was interrupted for half a second, just enough for Sunday to turn the page of the book he was currently reading. As grateful as he was, everything from his clothes to his room felt too stiff and new. When he confided in the other passengers of the Express, he was reassured that the feeling would pass soon enough. Even so, he was beginning to feel restless.

Another sound cut through his mulling, this time a solid double knock at the door. Assuming it to be Himeko or Welt, both of whom let him know honorifics weren’t necessary, checking up on him, he quickly set down the book and opened the door to come face-to-face with Gallagher.

Surprise couldn’t come close to even an eighth of what Sunday felt in that moment. A wave of shock and a tinge of happiness hit him, yet he resisted outwardly showing it, “You… What are you doing here?”

Gallagher looked up him and down, “Nice outfit. Really suits you.”

He tried to ignore the compliment, but the fluttering of his wings gave it away, “Get to the point or leave.”

Holding his hands up with a laugh, Gallagher continued, “All right, all right! I’ll keep it brief.”

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“Thank you, come again!”

Caelus turned to wave at the Eversummer Florist shopkeeper before gazing down at the bouquet in his arms. All those hours spent inside the store mulling over his decision and badgering Vaska with questions were definitely worth it; he had found the perfect flowers to gift the newest member of the Astral Express. As he walked towards the nearest space anchor, he rehearsed what exactly he was going to say to Sunday. While all he really wanted to do was slip a ring on Sunday’s finger and declare them married, he figured that would be way too off-putting and a nice bouquet with a small speech would be a better first step. He only got as far as “Sunday, I love you” before getting distracted by the sound of a nearby chest.

After going around Belobog twice in the name of “Maybe I missed a chest” despite knowing they’ve all been procured, Caelus realized something. He was stalling going back to the Express because he was nervous. It felt silly, he could take on all sorts of enemies ranging from floating orbs to a gigantic woman, but the thought of confessing his true feelings to someone was what filled his stomach with knots. Well, no better way out than in, right? He whispered the mantra to himself as the teleportation system started up and took him away to the parlor car of the Astral Express.

The walk to the passenger cabin car felt much longer than usual. It could’ve been because Caelus kept stopping to talk to everyone he saw, or that he was walking at a snail’s pace pretending to admire every tiny detail in the parlor car, but really it was anyone’s guess. Finally, finally, he was on the last stretch to Sunday’s room. His stomach was doing flips now, threatening to leap up his throat the closer he inched to the door. As he got closer, he noticed two things. Firstly, the door was ajar just the tiniest bit and secondly, there were some strange yet familiar sounds coming from inside.

He stopped at the doorway and peeked through the crack to see a rendezvous occurring right by his very eyes. Sunday, gorgeous as ever with his flushed face and mouth agape, on his hands and knees, almost laying down as he was being fucked into the bed by Gallagher. And Gallagher’s hips pistoning to meet Sunday’s ass, each thrust sending jiggles and resounding slapping sounds to counter moans and gasps.

Caelus’ eyes widened at the sight and he unconsciously held the bouquet tighter, crinkling the cellophane as he did so. While Sunday didn’t notice the crinkling, his counterpart did. Gallagher glanced at the door to see a shadow, one that most certainly wasn’t there before, moving about. In the midst of the shifting, his eyes met a pair of golden ones.

Stumbling away from the door, Caelus’ back thudded against the opposing wall and the bouquet in his hands fell to the floor with a soft plop The abrupt silence from the room was deafening and the knots in his stomach returned full force, dread hanging in the air as he awaited what would come next.

Between the eyes glimmering from the shadows and the subsequent thud, there was no mistaking what Gallagher saw. His hips came to a stop and he slowly pulled out, the sudden emptiness earning a pitiful look from Sunday.

“Why..?” His hoarse voice questioned, a pout now crossing his face.

“We have a guest.” Gallagher replied as he crossed the room to fully open the door.

Caelus winced as he heard the door open and Gallagher entered his sight. As much as he wanted to, Caelus forced himself to look everywhere but down. It wasn’t exactly easy though, Gallagher hadn’t said anything yet and was just looking at him.

Heat creeped up his neck and to his ears, a blush running through his skin as he thought about what he should say. He couldn’t think of the right thing to say though, he just ended up looking like a fish opening and closing his mouth. Curiosity was gnawing at him, and when he eventually noticed that Gallagher’s eyes were no long on him but instead fixed on something behind him, he took a quick peek and almost instantly wished he hadn’t.

Gallagher was still unflinchingly hard, dusty rose tip leading the way down to a thick shaft littered with pronounced veins. Caelus now understood why Sunday was moaning so loud, hell, his mouth was starting to water too. While Caelus admired the beast before him, Gallagher’s eyes fell upon flowers on the floor. It didn’t take long for him to put two and two together. Making eye contact with Caelus again, he smiled and turned around to saunter back to the bed, making a point of leaving the door open.

He could reach out to close the door and simply walk away, pretending to forget this ever happened but secretly jerk off to this memory later and live with the humiliation of interrupting a tryst he was never meant to see, or he could walk in and close the door behind him.

Caelus chose the latter.

With the sound of Caelus following after him, Gallagher picked up Sunday from under his armpits, almost like how one would with a cat, and tilted his head to the bed. Caelus, recognizing the obvious motion to lay down, did so obediently, albeit unsure if he should have taken his clothes off or not, and Gallagher placed Sunday back down on top of him. Sunday, all too eager to continue where they left off, had no objections to the new arrival.

Directly above him, the tip of Gallagher’s cock teasingly splitting Sunday open. He stopped, cock threatening to slip out again. Sunday pushed back his hips in attempt to push it in further, whining at Gallagher’s grip on his waist that halted his movements. Both could feel Caelus’ hot breath on them only intensifying the moment. Agonizingly slow Gallagher relented and pushed his cock in, snapping his hips forward at the last inch and resumed the brutal pace Caelus had witnessed earlier.

With each of Gallagher’s rough thrusts in and out of Sunday’s cunt the wet streaks on his thick shaft became a blur and made for a hypnotic view. As Caelus thought, he also had a pair of hefty balls, balls that were currently swinging and slapping at Sunday’s pussy, nearly drowning out the sound of moans above him.

A particularly harsh thrust caused Sunday’s knees to buckle and sent his lower half directly onto Caelus’ awaiting face. To be suffocated by Sunday’s pussy like this was a dream come true; he could die happily now. Sparse pubes tickled his nose, but he ignored it to insantly get to work licking and sucking what was smothering his face. Sunday’s hips bucked into Caelus’ mouth to chase that extra stimulation. At his eye level was Caelus’ cock straining in his pants and an idea popped into his head. Reciprocity was a key virtue, he couldn’t just let Caelus suffer like this.

Caelus’ body jumped at the sudden sensation on his cock. Somehow Sunday had managed to wriggle his pants and underwear off and was mouthing at his dick. One of the rare times his fingers weren’t hidden away by gloves, and said fingers were now clumsily stroking his cock. Just the knowledge of that could make Caelus cum at any moment. This whole situation had the power to do that; he was hard the moment he peeked through the door. Maybe that was another reason Gallagher let him in. He didn’t have time to think about the details right now though, not when Sunday’s pussy was literally smack dab in front of his face just waiting to be eaten like a five course meal. So Caelus ate like the starving man he was, revelling in his tongue lapping against where Sunday and Gallagher met.

The cock pounding his insides and the tongue licking everything in sight made Sunday’s thighs tremble as he rapidly approached orgasm, his tonguing at Caelus’ cock ceased as all he could do was moan and stutter out how close he was. His hands also occupied with gripping the bed sheets for dear life, he still had one part of himself that could be used to help Caelus. Sunday’s wings flapped and grabbed on to Caelus’ dick, mimicking his hands by stroking up and down.

Caelus gasped at the foreign feeling of feathers on his cock. As he had expected, they were soft, almost powdery, yet sturdy enough that they provided actual feeling like he was fucking Sunday’s hand and not a ripped apart pillow. To show his gratitude, Caelus resumed eating out Sunday with renewed vigor, going as far as pulling his hips closer to him. Feeling ignored, Gallagher also doubled his efforts, thrusts almost enough to knock the wind out of Sunday.

Being attacked from two different angles proved to be too much for Sunday. He ground his cunt into Caelus’ face from his lips to his nose and his wings unfurled from Caelus’ erection. With a final thrust of his hips, he came.

A stray feather fell from the stretching and landed on Caelus’ dick; the traces of warmth serving as the catalyst that made his cock throb and come at last, cum soaking the fallen feather.

Sunday’s sudden pussy constrictions sent Gallagher over the edge as well, so much so he stopped dead in the middle of a thrust to empty his balls. Seconds later, upon remembering that Sunday had told him not to cum inside, he pulled out just enough to coat his perineum in cum. Caelus, who had been leisurely enjoying the afterglow while watching the way Gallagher’s shaft throbbed as he came, observed as his cum dripped down Sunday’s cunt and into his awaiting mouth. Not one to just sit back and wait, he craned his neck to lick up the rest. The salty semen had been inside Sunday’s pussy, so it was basically like Caelus had fucked him too. Or at least that was what Caelus was telling himself. The room got noticeably dimmer as quickly as it lit up, he guessed that Sunday had finished riding his orgasm.

As Caelus lay waiting for Sunday to get up, his balls sufficiently drained and the blood flowing back to his brain, his thoughts drifted back to the bouquet of ball peonies he had bought. He’d chosen them mostly for their meaning, but also because the colors complemented Sunday’s new outfit nicely. He never did get to give them to Sunday though, and now they lay discarded out in the hallway. A twinge of sadness hit him before he remembered the upside. Maybe it wasn’t so bad though, after all he did get roped into this ménage à trois that allowed him to both makeout with Sunday’s pussy and get a wingjob from him. If he had to accept this as the closest to a relationship he would get with Sunday, then so be it.

Notes:

offering 1/2 for our lord and savior Sunday
I can't believe wingjob isn't a tag. or maybe it falls under wing kink..? idk
title is lying cuz caelus gets a mouthful of cum AND a wingjob, ANd gets to eat Sunday's pussy. wish that was me fr
big thank you to the girthgods sub for inspo