After Picking up a Picky Succubus, I Had Sex with Her.

I fainted from hunger and thought I was going to die. When I woke up, I found a strange woman sitting next to me, with a suspicious taste still lingering in my mouth. Etc! I'm a succubus! What did you feed me? The woman handed over the small box casually: "It's an ordinary nutritional supplement. You can add whatever you want." Concept: Different lifestyles of different races