Unhappy after his new baby sister displaces him, four-year-old Kun begins meeting people and pets from his family's history in their unique house in order to help him become the big brother he was meant to be.

• Studio Chizu
• D.N. Dream Partners
• Moka Kamishiraishi
• Haru Kuroki
• Gen Hoshino
• Kumiko Aso
• Mitsuo Yoshihara
• Yoshiko Miyazaki
• Koji Yakusho
• Masaharu Fukuyama