He whimpered dejectedly when the kiss stopped. But then he opened his eyes and realized what the doctor was doing, and quieted himself down. At least, he quieted himself down until Stein forced a needy groan out of his mouth by penetrating him with his fingers once more. Even after all the alcohol, he really shouldn't be this turned on. Something had to be wrong... Birkin moaned again, breaking him out of his thought process and bringing his focus back to being fucked by Stein.

"That would be almost romantic if it wasn't so literal," Birkin managed to mumble out between pants and moans.