I'm looking for the author's name and that one horror-love h manga where everyone's genitals are like puzzle pieces and the penis the is key and the vagina is the lock.
The man in the story from what I remember was in agony because his penis was a weird shape and couldn't fuck anyone. No one could fuck anyone unless they were the matching pair of genitalia as they were literal puzzle piece shaped.
I thought it was weird as a kid but now that I'm 25 it's kind of romantic.
I think the artist name was Ito something. It might have started with an I