A mother who thinks her divorce is hurting her only son. A son who usually impresses his childhood and weakness in order to approach his beautiful mother. One day, my son cried "I was bullied because I was a single-mother family" and went home, soaking in my mother's feelings and pressing for a physical relationship, "Please comfort my mother." Reiko can't refuse even though she says it's no good. An abnormal mother and child's sexual life begins ...