Best Mirai no Mirai Characters Ranked by Story Impact

1. Kun Oota — The whole film turns on his jealousy, fear, imagination, and final recognition of Mirai as his sister.
2. Future Mirai — She transforms Mirai from “the baby taking attention” into a person Kun can imagine loving and protecting.
3. Yukko — The dog is the cleverest mirror in the film, making displacement funny before it becomes painful.
4. Mother — Her exhaustion, affection, and childhood memory keep the movie honest about parenting rather than turning her into a saintly background figure.
5. Father — His daily struggle to become more competent at home gives the film a modern domestic texture.
6. Young Man / Great-Grandfather — His sequence connects Kun’s tiny fears to generational survival and courage.
7. Jiji and Baba — They ground the family tree and help the story feel broader than one household’s stressful adjustment period.

Character cards

Kun OotaThe four-year-old center of the film, Kun begins as a train-loving only child who feels displaced when baby Mirai arrives.Mirai OotaKun’s baby sister in the present and the confident older girl who appears from the future.Young Man / Great-GrandfatherA younger version of Kun’s great-grandfather, seen during one of the film’s key family-history encounters.YukkoThe family dog, reimagined through Kun’s magical perspective as a jealous older member of the household.JijiKun and Mirai’s grandfather, part of the wider family network surrounding the house.FatherKun and Mirai’s father, an architect working from home while learning to handle more daily childcare.MotherKun and Mirai’s mother, balancing work, recovery, household pressure, and Kun’s intense reactions to change.BabaKun and Mirai’s grandmother, another link in the family’s practical support system.