8 XXX : doujinshi

On a scale of 1-10, solid 8
“It feels like it's tightly filled with meat.”
i remember reading a similar story to this but at the end the male character said to the two females " you guys can come here whenever u want " any clue to what doujin is that?
Someone please tell me dark haired skinny and flat chested as a fetish is a thing.