Stefan Gagne
Ah My Hentai
Series: Ah My Goddess
Sex factor: some
Kink factor: m/f, f/f, incest, light BDSM (I think)
It's been a while since I read this, so my memory's a tiny bit fuzzy. Basically, it's "What if Keiichi wished for a divine sex-slave instead of a girlfriend?" Funny stuff. Oh, and watch out for the fake japanese translations - you'll *probably* realise they're a joke, but just in case you don't, I'm warning you now. ;)