He notices the sex appeal of his wife's mother, Ayano. If she's this seductive, her body must be erotic too. Tatsuya has always wanted to see that beautiful naked body just once, and now this is his chance. Her beautiful breasts, which are squeezed in uncomfortably, and her voluptuous body, which seems soft no matter where you touch it, push up her shapewear, revealing her obscene body lines. Tatsuya swallows his saliva as he accidentally peeks at Ayano changing, and impulsively makes a mistake.