My mother's best friend, Ayano, who had quarreled with her husband and ran out of the house, was to stay at home for a while. Adolescent Jun who is excited about the communal life with Ayano who has a sex appeal that can not be thought of as a classmate with her mother. Ayano's provocative panchira, chest chiller ... Jun is irresistible and indulges in masturbating with Ayano in the room, but ... how Ayano sees her ...! ??