I wonder how long it has been since the three of us started living together. We have been getting along well as a family, but today, my mother-in-law suddenly said that she wanted to be an underwear model. Apparently, she had applied without telling us, but my wife was embarrassed to see her mother in her underwear and was firmly against it... I was confused and unable to process the situation, but that night, I caught a glimpse of my mother-in-law in her lingerie through a gap in the room. And I was immediately captivated by the sight of my mother-in-law in beautiful underwear...