Tomoya's mother, Kiyono, has been an idol for Atsushi, who has been a key kid since childhood. By chance, Atsushi sees his father Kenta and Kiyono kissing. Invited by Tomoya, he goes to visit the Kanzaki family as usual, but he just feels awkward in front of Kiyono... Meanwhile, Tomoya is late for his appointment and heads to the Kanzaki family alone... There is no answer even if I call out to her, and when I go inside, Kiyono is masturbating. Atsushi, who has seen Kiyono's woman, can't stand it and attacks her. Atsushi, who can no longer suppress her desires, blames Kiyono in every way possible, and Kiyono gradually becomes captivated by her desires.
