My mother eloped with Kiyo-chan, a fishmonger, leaving my father and his only daughter, Mariko, who was about to graduate, under one roof. His father, who has fallen into the depths of despair, finds only pleasure in masturbating while smelling the scent of his real daughter, Mariko's scanty, and gradually comes to recognize Mariko as a woman... One day, when his father came home unexpectedly, he witnessed Mariko masturbating with a strange-looking massage device.
