New private tutor Mayu Suzuki heads to her first student's home, nervous about the new assignment. The family is wealthy, but far more perverted than she imagined. The son laments his inability to focus on studying, his eyes constantly drawn to his teacher's cleavage. Sensing her vulnerability, the lustful father begins having adult toys delivered to the house. Financially struggling and naturally unable to refuse, Mayu finds herself obeying the twisted demands of this depraved family.