[he is in fact an RPG protagonist. He's rippling with power. Shiro doesn't even budge but Darc feels the little flex, and grins, his breath heavy and humid as they grind. My human now]

I like it.

[He bows down to drag the flat of his tongue along Shiro's jaw. His teeth are mostly flat, but they're a bit more fangy than a human, and after lapping at Shiro's throat he bites him, hard enough to mark. Once, twice, then on his ear, pulling on the lobe before he pants against him.]

That's how Deimos kiss.