One day at the house where I live with my wife, my mother-in-law came to Tokyo. She was invited by an acquaintance to model her underwear, and she seemed to jump out with the intention of making a big decision. Her wife and I decide to stay at home for a week to calm her mother-in-law. And that night, when I couldn't sleep and headed to the bathroom, I found a light leaking from her mother-in-law's room. Her mother-in-law didn't seem to give up yet, and she wore bewitchingly sexy underwear. I fell in love with her mother-in-law and naturally reached out to her crotch ...