Four-year-old Kun struggles with jealousy after his newborn sister, Mirai, begins receiving most of his family’s attention. Retreating to the garden, he encounters Mirai as a teenager from the future and embarks on extraordinary journeys across his family’s past, gradually discovering new perspectives on love, belonging and what it means to become an older brother.
Media
Backdrops and posters from the title's official gallery
Top Cast
Moka Kamishiraishi
Kun (voice)
Haru Kuroki
Mirai (voice)
Gen Hoshino
Father (voice)
Kumiko Aso
Mother (voice)
Mitsuo Yoshihara
Mysterious Man (voice)
Yoshiko Miyazaki
Grandmother (voice)
Koji Yakusho
Grandfather (voice)
Masaharu Fukuyama
Young Man (voice)
Kaede Hondo
Baby Mirai (voice)
Hakuzan Kanda
Robot at the Tokyo Station Lost & Found Center (voice)
