Kasumi, who remarried a husband with a significant age difference, had a secret from her family. She would invite another man into the house during their absence and frequently engage in physical relationships with him. One day, unfortunately, this was discovered by her stepson Shota. Seeing his respected father betrayed, enraged Shota plotted a reform training for his stepmother under the guise of 'misogi'. Desperate to keep it from her husband, Kasumi complied with her stepson's perverted orders, but as she endured the humiliating punishments, she began to experience unprecedented sexual stimulation and pleasure…
