At a press conference held at the Toho headquarter in Tokyo on Wednesday, an anime film by director Mamoru Hosoda (Ookami Kodomo no Ame to Yuki) titled Mirai no Mirai (Mirai from the Future) was announced. The film is scheduled to open in Japanese theaters on July 20, 2018.
The film centers on Kun-chan, a spoiled four-year-old boy in a small house in a corner of a certain city. When his little sister Mirai is born, he feels that his little sister has deprived him of their parents' affection, and is overwhelmed by a series of first experiences. Amidst his new life, he meets an older version of his little sister Mirai, who has come from the future.