With her husband’s support, Minami is pursuing her dream of becoming a teacher through an adult school role-play scenario. Her cheerful personality and exceptional beauty make her popular with the adult “students,” but an innocent game of musical chairs becomes a nightmare. What begins as horseplay escalates when they touch her breasts and ass and lose control of their desires. The assault does not end there: day and night, “musical chairs” becomes the name for repeated group sex and creampies.