Her heart belongs to family, but her body is entangled with others in a delicate relationship. Spending a week alone with her stepmother, it's impossible for her not to make mistakes. (Kino Nono, Erika VENX-304)

She remarries a man a generation younger than herself, forming a family of three with her husband's stepson, Tatsuya. She quickly becomes inseparable from Tatsuya, who is close in age, and they become a loving father and son. However, because of this closeness, Tatsuya begins to realize her own limitations as a woman. When her husband goes away on a business trip for a week, her relationship with her stepson becomes complicated…