The One Slice of Lust game is a parody centered on the One-Piece story. The plot centers ib a group called Straw Hat Pirates which are the target of the supreme emperor, named Marshall D. Teach, who is desperate to somehow fulfill his sexual desires, which they didn't even have in the past. The captain of these pirates is called Luffy. He's the first one targeted and the one who is affected the most. The rest of the pirates (named Nami, Robin, Zoro, Usopp, Franky and Brook want to help their captain fulfill his wishes, but they themselves are not as affected as he is.