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.
Moka Kamishiraishi
Haru Kuroki
Gen Hoshino
Kumiko Aso
Mitsuo Yoshihara
Yoshiko Miyazaki
Koji Yakusho
Masaharu Fukuyama
Kaede Hondo