A masochistic mommy, Yurino Nishiyama, 24, was forced to resign after her SM relationship with the kindergarten principal was exposed to parents. With her cute face and wild bush, she undergoes brutal training play and awakens as a perverted masochistic bitch. She craves humiliation and has a dirty imagination. Her personality completely collapses as she experiences giant dildo fucking, gang rape, screaming vibrator machine torture, restraint nose hook bukkake, begging to drink piss, and group iruma choking etc.