OV. Oral Violence. Onanistic violence. A wife whose chastity is controlled by her OV husband, who is not even allowed to masturbate... A chaste young wife who lives her daily life seriously even though her beloved husband has fitted her with a cold-hearted chastity belt... However, a married woman in the prime of her life... With a life of endless masturbation, the wife's sexual desires are only building up... One day, a burly worker comes to her house to replace the air conditioner, and he demands her heated body... He sees her embarrassing chastity belt...!