"Bondage Game: Shinsou no Reijou-tachi" is a hentai series centered around Yuuu, an amnesiac girl who is sent to a remote mansion to serve a wealthy master named Ryoji. In this dark and twisted game, Ryoji buys girls for the pleasure of wealthy perverts and subjects them to intense and sadistic training, where every desire of the customers is fulfilled. As Yuuu becomes a main contender in the game, she realizes that not all the girls will survive the brutal training, and those who do will be forever changed both physically and mentally.