The mind is family, but the body is delicate relationships between others. A week alone with my stepmother, who can't make a mistake

Erika remarries her husband, who is a little older than her. Incorporating her husband's stepchild, Tatsuya, they began to build a new family with their three family members. Erika quickly got to know Tatsuya, who is almost in the old age, and thought she could become a happy-going parent and child. Because of the closeness of the distance, Tatsuya became aware of her as a woman. The week after her husband goes on a business trip, the relationship between step-parents and children becomes entangled...