When Shimazaki goes to visit his friend Takeo, he is surprised by the shortness of the skirt of his mother, Aya, who welcomes him. Contrary to her plain impression, Shimazaki can't hide his upset when Aya wears lewd underwear. As if seeing through such Shimazaki, Aya shows off his erotic underwear, lowers his pants, and sucks the erected meat stick.
