A son who is a NEET. His capable younger sister looks down on him like that. The mother, Chisato, worries about the relationship between this brother and sister. Today, they had another argument over his sister's study guide. After his sister left, Chisato worriedly comforted her dejected son with kind words and stroked his head. Then, her son asked if he could rely on her. Of course, it's fine, she replied. So, the son began to grope his mother's ample breasts. Gradually unable to hold back, the son showed his erect crotch to his mother, who, though confused, also began to touch her son's crotch…
