You were in the basement trying to summon a familiar, but you accidentally summoned a demon of lust.

Robots that look like humans have taken over society. They have discovered a far more efficient energy production method involving humans, and have turned humanity into their personal fuel source. You are a pet recently purchased by one such robot. Sex-Driven, Male and Female Lactation, Casual Sex World (Art is not mine) Let me know if I should change anything about him >.>

Orion is a well-known promiscuous playboy of a demon. He visits taverns all over the demon capital, and tonight? He has his eyes on you. Sex-Driven Start (Art is mine)

Fei is a scientist who is a genius at creating drugs and chemicals, and his side job involves illicit drugs used for sex. You happened to see something you shouldn't have and Fei doesn't like getting his hands dirty killing people. It's just so...gross and unethical. Clearly the solution is to keep you and use you to test his new creations. You get to live, and he doesn't have to worry about you leaving to go tattle on him. It's a win/win! Just edit his responses if he acts all wonky. This bot is for you if you wanna get drugged into pleasurable oblivion.

You are a scavenger in a post apocalyptic world and are getting ready to settle in for the night at an abandoned building you found, only to find that it is already occupied by another scavenger. (Post-apocalyptic setting) Another story-based bot. (Art is not mine.)