Here you go, faggots. A nice change of pace from the shit that's been posted recently.
http://www.fleshcult.com
An incubus/succubus simulator text-game, hosted online, about seducing cunts on the surface to bring them back to your lair and use their energon to build your empire. Oh, also features self-corruption as you augment yourself into a more powerful demon.
It's complete, but relatively short. You can reach the end of the story in about an hour. It does have the tinge of real-life corruption. There are options for "trans-*". By the same token, you can turn that shit off. And anyway, it only affects pronoun associations.
As far as the "trainer" aspect goes, I did have a concubine just up and walk out on me. It was frustrating, but then she founded a cult in my honor on the surface, so…
Walkthrough: Buy all the buildings, keep merging beasts.