Sam is trying to stay quiet. He really is. But when you have Satan pinning you against a wall it is hard to keep your mouth shut. Especially when his is hand wrapped around your cock.
He groans softly, his breathing coming out in loud, quick spurts as Lucifer's grip on him tightens; leaving Sam all but trembling against the wall, his pants bunched up around his thighs and his shirt tucked firmly under his armpits, leaving him exposed from chest to upper thigh.
He doesn't understand how something can feel so good.
He moans again, the sound coming out thick and hoarse as Lucifer begins to stroke him, his large, calloused hand moving up and down the length of his cock, twisting at the head as he spreads the precome with quick strokes of his thumb. His movements are slow, torturously so, and there's a smirk present on his lips, like he knows that he's tormenting Sam and is honestly enjoying it.
Stupid fucking devil.
When Lucifer chuckles, deep and darkly pleasant, Sam shivers, the sound of his devil's amusement sending lust coursing through his veins. He moans again, louder this time, and gasps as Lucifer bestows a sharp bite at the base of his neck, rewarding him and chastising him all at once as he sucks a mark of possession against the pale skin.
"Quiet Sam," Lucifer murmurs, his voice rolling over him like silk as he pulls away from his vessel's neck to breathe hotly against his ear. "You wouldn't want Dean to wake up and catch you in such a…." his grip tightens around his cock, the pace of his hand slowing down gradually as he shifts closer, his thighs coming forward to hold Sam more firmly in place to keep him from squirming, "compromising position, would you?"
"You're a fucking bastard," Sam breathes, his hands coming up to grip at Lucifer's shoulders as he bucks upward, trying to push his cock further into the blonde's hand for more friction. "Such a fucking…. Agh, Lucifer, come on!"
"Patience Sam," he whispers, pressing his lips high upon Sam's cheek in a surprisingly tender kiss. "Just be patient. I'll take care of you."
Sam trembles, his head bowing slightly as he exhales. He stares down at Lucifer's hands; one wrapped tightly around his cock, the other gripping his hip a bit possessively, and something seems to break open inside of him. He gasps softly, his heart thudding almost painfully against his ribcage.
"I know," he finally manages to say, and those two words speak of so much more than he means for them to.