In a quiet corner of the city, four-year-old Kun Oota has lived a spoiled life as an only child with his parents and the family dog, Yukko. But when his new baby sister Mirai is brought home, his simple life is thrown upside-down; suddenly, it isn't all about him anymore. Despite his tantrums and nagging, Mirai is seemingly now the subject of all his parents' love.
To help him adapt to this drastic change, Kun is taken on an extraordinary journey through time, meeting his family's past, present, and future selves, as he learns not only what it means to be a part of a family, but also what it means to be an older brother.
[Written by MAL Rewrite]
Characters & Voice Actors
Oota, Mirai
Main
Kuroki, Haru
Japanese
Oota, Kun
Main
Kamishiraishi, Moka
Japanese
Baaba
Supporting
Miyazaki, Yoshiko
Japanese
Jiiji
Supporting
Yakusho, Koji
Japanese
Okaasan
Supporting
Aso, Kumiko
Japanese
Otousan
Supporting
Hoshino, Gen
JapanesePromotion Videos
Trailer 3
Trailer 2 Madman Entertainment version
Trailer 2
Trailer 1
CM 2
CM 1
Announcement 3
Announcement 2
Announcement 1 Madman Entertainment version
Announcement 1
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