Yu, who longs for her beautiful and sexy friend's mother, Ayano, pretends to play with her friends every day and goes home. Furthermore, Yu's libido becomes unstoppable enough to secretly take out Ayano's panties from the laundry and smell it. One day. By chance, Yu who witnessed Ayano indulging in masturbation unintentionally takes a voyeur with a smartphone. And I come up with a sneaky act ...