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"We need to talk, don't we?" Mingjue asks, arching an eyebrow up at his fated.
Xichen rolls his hips to draw a moan out of him. "Right now?"
Nie Mingjue groans, burying his face in Xichen's chest. "Don't try to distract me. What do you think about Meng Yao? Do you like him?"
"Do you?" Xichen leans back to look him in the face.
It's funny, Nie Mingjue thinks- he was so afraid of this moment when he was younger, but now he mostly feels... content.
"He's not my fated," he says with a shrug and a lazy smile at the man on his lap.
"That's not what I asked," Xichen says.
"You haven't answered my question either," Nie Mingjue leans up to kiss and bite at Xichen's lips, leaning back before the other can deepen the kiss any more. "Isn't it impolite not to reciprocate?"
Xichen rolls his eyes, but he smiles fondly. "I like him. I take it you're not dissatisfied?"
"What if I was?" Nie Mingjue arches an eyebrow.
Xichen looks thoughtful for a moment, stilling on Nie Mingjue's lap. "Then I'd ask how Mingjue wants to proceed," he says in the end. "Meng Yao is my soulmate, but Mingjue is my future husband, and he was here first."
"Here?" Nie Mingjue smiles, squeezing his hands around Xichen's hips and giving the slightest thrust upwards. Xichen takes a deep breath to hold back the gasp that threatens to break past his lips, then smacks at Nie Mingjue's chest with the back of his hand.
"Yes, here," he says, squeezing around Nie Mingjue's dick to make him groan. "But my Mingjue doesn't seem too upset."
"Your Mingjue happens to have a fatal weakness to beautiful men with pretty smiles," Nie Mingjue sighs. "Not to mention smart little devils that are probably far too much for me to handle."
"I'd say you handle them pretty well." Xichen pushes down on his shoulders, and Nie Mingjue rolls his eyes but complies, laying on his back to let Xichen ride him at his own pace. "So? Should we talk to him together?"
"I could call him," Nie Mingjue muses to himself.
"Maybe not right now," Xichen snorts, speeding up the movement of his hips and pulling one of Nie Mingjue's hands from his side to his dick, fucking into his fist as he fucks himself on his cock.
Nie Mingjue arches an eyebrow, amused. "What, you don't want him to see you bouncing on my dick? How hungry you are for it?"
"Hmm... We could show him another time, just how good gege's fat cock is," Xichen whispers and fuck, Nie Mingjue had forgotten it's still those three months of the year in which Xichen purposefully victimizes him with the honorific. "I get the feeling he'll want to partake."
Nie Mingjue probably shouldn't laugh- with his fiance moving on his lap, giving him a sultry, aroused look, this is far from a funny situation and most definitely one he should take advantage of to the best of his extent. He laughs anyways.
"You mean you're actually willing to share?" he asks after the first few bouts of laughter. "Han Mengmei still gets nervous around you, Xichen."
Xichen stops moving completely, but the flustered, disgruntled look on his face is worth the interruption, and Nie Mingjue laughs some more, until Xichen lunges down to shut him up with a kiss.
"I was fifteen," Xichen says after he finally stops licking into Nie Mingjue's mouth and nipping at his grinning lips. "Besides, this is different."
"It is?" Nie Mingjue bucks his hips a little. "How so?"
"We're to be married, are we not?" Xichen whispers huskily into his ear. "What's mine is yours."
That does the trick to dry out any semblance of laughter in Nie Mingjue's throat, as his treacherous, sex-drunk mind summons the image of his fated offering a very eager Meng Yao for them to share on their wedding night. He clears his throat.
"Xichen is so generous." Nie Mingjue feels Xichen's lips curl into a smug grin against his cheek.
"Very much. You see, he's my fated," Xichen whispers again. "It stands to reason that what's mine is his as well... I couldn't in good heart keep this from him could I?" he adds with a slow roll of his hips. They shouldn't- they shouldn't be talking about Meng Yao in this situation, not without talking to him about the circumstances first, no matter how much Nie Mingjue wans to imagine Xichen pleasuring himself to the sight of him fucking Meng Yao.
Instead of voicing this thought, Nie Mingjue pushes out with a leg to flip them over, laying a hand on each of Xichen's legs to push them back against his chest.
"I think I've had enough of you messing with me tonight," he grumbles.
"I've no idea what Mingjue means." Xichen, of course, looks annoyingly composed for someone nearly folded in half with a cock up their ass.
"Oh, I'll explain in detail," Nie Mingjue says, and that's the last thing any of them says for a while.