Mirai (2018)

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

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 mea…