Find NSFW games tagged Text based like Strive for Power, Lust Doll Plus, Lust An adult game set in a post-apocalyptic sci fi/ fantasy open exploration world.
Kobold Adventure is an adult, text-based choose your own adventure game. If you don't feel like spending money on an online kobold molesting simulator.
Kittery and Fallow's text-based furry adventure game that delves deeply into the Academy of Fetishes is creating a text based adult game of the same name.
Long ago (in a land far far away xD) I used to play an adult game. It was one of those text based "make your own adventure" rpg type of games, similiar to CoC.