Mirai no Mirai

is a Japanese animated film directed by Mamoru Hosoda, which premiered on Japan on July 20, 2018.

Plot
A family lives in a small house whose only child is the spoiled four-year-old Kun-chan. When Kun-chan gets a little sister named Mirai, he feels that his new sister stole his parents' love from him, and is overwhelmed by many experiences he undergoes for the first time in his life. In the midst of it all, he meets an older version of Mirai, who has come from the future.