The son, who is always turned on by the sight of his mother doing housework in a sexy miniskirt, masturbates with a porn magazine and comforts his erect lower body by imagining his mother... The mother is unaware of this and is Kokoro by the large number of porn magazines in her son's room... After masturbating to a porn magazine she saw in her son's room, the mother comes up with the idea of ​​using her own body to train her son in the ways of a real woman...