An 18-year-old girl who wants to be restrained. Karei, the student council president at an all-girls school, discovers a secret SM club operating within the school and accidentally gets a glimpse into the SM world. Through her experience as a slave, she liberates her masochistic self and eventually finds herself immersed in that world every time after school… An 18-year-old's club activity dedicated to SM, all four episodes.
