Ayano, who lost her husband when her son Susumu was in elementary school, has been desperately raising him single-handedly. On the other hand, Susumu, who had a special feeling for Ayano, wished for her mother's happiness, but was unable to get along well with Miyagawa. One night, Susumu sneaks into Ayano's bedroom as if guided by her breathing. As she rolled over in front of her mother, a glimpse of her cleavage, he gently ran her fingers against her skin.
