"Mai-san, I'm coming in." Mai couldn't hide her confusion when her father-in-law suddenly entered the bathroom. The violent act of her usually quiet and gentle father-in-law. Before Mai could even refute the rough logic of "Since we're family, let me at least wash your back," she was cornered in the corner of the bathroom. Her father-in-law's wrinkled fingertips groped the firm breasts of the young wife. At that moment, Mai realized that her peaceful married life was over...