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.
as Kun (voice)
as Mirai (voice)
as Father (voice)
as Mother (voice)
as Mysterious Man (voice)
as Grandmother (voice)
as Grandfather (voice)
as Young Man (voice)
as Baby Mirai (voice)
as Great-Grandfather (Young Man) (voice)
