During my wife's pregnancy, my mother-in-law, Yuna, came to Tokyo to provide personal support. My girlfriend's wife forbids me to smoke or masturbate, so I couldn't take my eyes off the beautiful and charming Yuna. Then, one night, his girlfriend's wife finds out about his secret masturbation and they get into a fight. After my wife went to bed, I secretly sniffed Yuna's underwear and Yuna witnessed it. Yuna-san