"Masashi" whose father became busy and often came to be entrusted to his aunt's "Shizuka" house. He is fascinated by the plump breasts that his mother doesn't have, and approaches him without regard for his cousin Shinya. Eventually, he succeeded in making a physical relationship with Shizuka, who allowed her mind, but Shizuka, who was frustrated with her, also came to want Ji-Po.
