The English-language version was produced by and features a cast of well-known actors: Kun : Jaden Waldman Mirai (Teenager) : Victoria Grace The Father : John Cho The Mother : Rebecca Hall The Great-Grandfather : Daniel Dae Kim

Through these fantastical encounters, Kun learns that his family members were all once children with their own struggles. He eventually finds himself in a surreal "Future Station," where he must claim his identity to find his way back home. He chooses to embrace his sister, finally accepting his place in the family tree. The film concludes with Kun showing newfound maturity and a genuine bond with the infant Mirai.

: He meets a teenage version of Mirai from the future, who helps him navigate his feelings about his new role as a big brother.

: He even meets the human personification of the family’s basset hound, Yukko, who shares his own feelings of being "replaced" by Kun years ago. The Conclusion