When Akane and Ranma are married, Ranma hadn’t a clue on how to have sex properly and Akane wasn’t telling. Instead she gets revenge on Ranma for hurting her during sex, instead of explaining what’s wrong she ties Ranma Chan up and get Gosinkugi to rape her. Unfortunately Gosinkugi’s family has a curse that makes them week until they get a girl pregnant, at which time they will steal her strength. Ranma tries to kill herself to prevent giving birth, leading to her getting put into a mental institute run by Gosinkugi’s relatives.