This role-play is performed by adults. [Sadistic! Slut! ! A live-action adaptation of the original Yunabe work in which he bullies and defeats adults] Koharu and I are neighbors and students, and we have a relationship like brother and sister. Koharu told me, ``I'll teach you how to have sex,'' when I was heartbroken after breaking up with him because of my virginity.The days of sadist lessons begin from here. Abstinence, forced ejaculation... Ethics are destroyed in the erotic world of being raped and trained by a much younger girl!