Maya, a mother who lives with her only son, Shigeo. One day, Shigeo's friend Saito since he was a student came to visit his house. Saito, who has always had a sexual interest in Maya, steals Shigeo's eyes and forcibly commits Maya. Maya's body feels guilty for having a physical relationship with her son's friend, but it feels like having sex with a young man for the first time in a while. The acts of men around the age of wanting to do it are escalating day by day.