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Prompt: Imagine your OTP is sitting in a tree kissing when a seven year old stops below them singing the “k-i-s-s-i-n-g” song. Person B smirks and kisses A again quickly then looks down at the kid and says “I’ve already got the kiss down. We are going to get married, and kid, I promise you this person will have a baby carriage, one way or another.” A turns as red as possible.
…
“You know, it’s not too late to build a treehouse on here.” Jungkook murmured against the sweet lips he nibbled on. The warm weight in his lap shifted before the tinkling giggles from his boyfriend sounded the air, and Jungkook secured his arms around the slender waist he held, holding his boyfriend tighter to avoid any tumbling off the tree they were currently perched on.
“Jihyun would invite the entire block if we did and if my memory serves me correctly, you don’t like to share very well, babe.” Jimin replied back, lips flushed petal pink and swollen from Jungkook’s unrelenting mouth.
“Hey, I would share! I mean, there’d definitely have to be some heavy rules set like what days they could play in it and for how long because obviously we’d call the shots if we built it so we have that invincibility. Why are you laughing at me, I’m being serious here.” Jimin had collapsed against Jungkook, as he always does when his boyfriend made him laugh hard, and tucked his face into Jungkook’s neck, plush mouth open spilling his gorgeous peals of laughter, his warm puffs of breath heating up the revealing skin Jungkook’s black fitted shirt didn’t cover. And as much as he adored everything about Jimin laughing, from the way his small hands curled into the fabric of Jungkook’s shirt down to the way his tight little body melted like butter or how the cute little squeaks that slipped out could be heard every so often, Jungkook loved kissing the beautiful instrument that released the musical chime called Jimin’s laughter. So, without further ado, Jungkook hooked his middle and forefinger beneath Jimin’s chin and tilted his face up. “Alright, alright. C’mere.” Jungkook captured the pillowy lips with his in one swoop and felt Jimin fold into him instantly.
Honestly, it was like making out with a marshmallow or silky cotton candy. Jungkook cupped Jimin’s jaw with one hand and locked him in place as he deepened their kiss, lips moving between another like a constant wave crashing against the shore, over and over. Jimin gripped the back of Jungkook’s shirt and slipped his tongue out to trace the seam of Jungkook’s lips and was granted access immediately, however as soon as their tongues laced together, a sudden voice spiked the air and they broke apart, alarmed.
“Jimin and Jungkook sitting in a tree. K i s s i n g. First comes love, then comes marriage, then comes a baby in a baby carriage~” Park Jihyun, Jimin’s seven year old little brother, stood at the base of the tree grinning up at them. He sang the song again and was beaming so hard, the couple could see the front gap in his mouth where he’d recently lost a baby tooth.
“Seriously?” Jimin called down, eyebrows knitted together from aggravation.
But Jungkook, Jungkook met the baby Park’s eyes and smirked, eyes darkening even under the midday sunlight. Jimin must’ve noticed his brother’s sudden change of expression because he made to turn and see what his boyfriend was doing that made his cheesy smile disappear but before he could, he found himself being manhandled into another position, a far more suggesting position from the one they were settled in before. Previously, Jimin had made home in the crest of Jungkook’s lap sideways with his legs dangling over Jungkook’s thighs while Jungkook had his back pressed against the trunk of the tree, legs spread out in front of him and arms cradling Jimin. The branch they were perched on was thick and sturdy enough to bare both their weight, and comfortable enough for them to easily change positions if needed.
Apparently Jungkook thought a change was needed, for now he had moved them around so that Jimin was fully facing him in a straddle, the weight of thick honey thighs covered over his own, and had bent his legs with his feet planted on the branch so now Jimin was dipped down on his lap deliciously deep. He had slapped his boyfriend’s plump ass, the sound echoing loudly in the close air around them, where he now lazily massaged the twin mounds with his arms folded around his smaller boyfriend’s body. Jungkook hooked his chin over Jimin’s shoulder and, ignoring the sputtering objections from his tiny bundle, Jungkook kept his attention on Jihyun who was too petrified to break eye contact with him.
“I’ve already got the kiss down. We are going to get married, and kid, I promise you this person,” Jungkook squeezed Jimin’s ass for clarification, “will have a baby carriage, one way or another.” And just because he could, Jungkook rolled his hips up in a single, prolonged glide, making Jimin’s breath stutter and Jihyun shy away with embarrassment. His smirk only deepened. “We could even start now.”
“Jeon Jungkook.” Jimin squeaked out exasperated, hiding his face into Jungkook’s neck with his cheeks burning a pretty ruby red while at the same time slapping Jungkook’s shoulder over and over. Vaguely he heard his brother scampering off but was too busy dying in mortification to care. “I can’t believe you- no wait, I can- but seriously, to Jihyun? You’re shameless.”
“What?” Jungkook feigned innocence and Jimin squawked indignantly as he tried to wiggle away scolding, “Don’t you ‘what’ me you stupid man.” but Jungkook refused letting him go and eventually Jimin calmed back down enough for Jungkook to loosen his steel grip.
“I love you so much but god, you are unbelievable.” Jimin mumbled against Jungkook’s shoulder where his cheek was puffed up against. “Also, you do realize that you basically asked me to have your babies, right?”
Jungkook chuckled. “I don’t recall asking. I was telling.”
Jimin shoved his shoulder.