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.
Top Billed Cast
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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)
Media
![Mirai [Official English Trailer, GKIDS - Out on Blu-Ray, DVD & Digital on April 9!]](https://i.ytimg.com/vi/E8-PW5wvt30/hqdefault.jpg)
![Mirai [Official US Trailer, GKIDS - Special Premiere Event Nov 29th, In Select Theaters Nov 30th]](https://i.ytimg.com/vi/f-e6oHWJHzs/hqdefault.jpg)
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