As one of Andre's Lilim, sex had been a source of nourishment for him. Not like a succubus. He didn't 'steal' energy from his 'victims', or anything like that. It was one of Andre's rites. The Demon Prince of Lust rewarded his demons for having sex. It wasn't a bad gig! Not that part of it, at least. It did, however, leave Corinth jonesing for more. Foreplay didn't usually play a big role in demonic sex.
He knew priority number one was taking care of Cal's needs, as always. Those were harder to detect now, though. Maybe he could take care of the Auphe, too. That's what he'd been doing earlier, in a way. He purred against the other man's mouth, pulling at his lip gently with his teeth. His hips started to rock in time with Cal's hand.