This is fiction so the author/creator can do whatever the heck they want, but pls don't delude urself into thinking this /isn't/ rape. Whenever someone is drunk and not in a clear mind space, they cannot give proper consent, no matter how much they seem to "want it" at the moment.
So basically i have nothing against these stories having whatever happen but there is a problem when u begin to forget what's right and what's wrong.
I'm sure that I know what's is wrong or no wrong. You never slept with someone when you were drunk? No? Lucky girl but this is common that someone sleeps with another person when he/she is drunk and I've never ever heard from person who did it in real "he/she was rape me". But what I say was: I cheated my girl/boyfriend because I slept with someone when I was drunk. So... that's how is it in real life.

Well technically he wants this so it's not rape. He cum as well so he likes it finally. It's painful for the first time usually so no big deal with it. But if he takes this like a dream... it will be disappointing.