Karen Yuzuriha, a timid girl with big tits, is unable to say "no" and is made to climax by an erotic masseuse to an embarrassing degree. - Karen Kaede

The movie revolves around Karen, a timid girl who is unable to say 'no', and her encounter with an erotic masseuse. The masseuse takes advantage of Karen's inability to refuse and pushes her to climax to an embarrassing degree. The story explores the power dynamic between the two characters and the blurring of professional boundaries in a supposed therapeutic setting.