After being laid off from his company, Jiro returns to his hometown where his brother is waiting for the first time in several years. When he arrived at his parents' house, he was greeted at the door by his grown-up niece. Jiro is surprised to see her niece's transformation and her big breasts. A niece who pesters me to enter when I try to take a bath. She is a niece who wants to play with her when she is in the drawing room. My niece who is trying to get into the futon and has a pillow to sleep with. She's a niece who hasn't changed at all, but her body has completely changed to that of an adult. Jiro, who can't control her excitement, finally becomes her niece.
