In this adult role-play, Ichika arrives at her uncle's home in a school uniform. Slender and wide-eyed, she says his punishments awakened her masochistic desires years ago and that she has long wanted him to discipline her again. Unable to focus on her studies because she constantly masturbates, she calls herself a bad girl and asks for punishment. What follows is masochistic training in which she is spanked, tied up, and taught to embrace the pleasure of submission.