When Miki Oto heard that her daughter and son-in-law were fighting, she offered to mediate. As a mother, she calmed them down, but she never dreamed that her son-in-law's lust for Miki Oto was the root cause of the fight. Miki Oto bathes without realizing she's being spied on and exposes her defenseless sleeping figure. Her casual actions and unconsciously radiating charm provoke her son-in-law, shaking his reason.