Mirai No Mirai (Japanese Version) Opening on. 98 minutes Japanese(Chinese, English Subtitles) Movie Detail. The movie follows a 4-year old boy who is struggling to cope with the arrival of a little sister in the family, until things turn magical. A mysterious garden in the backyard of the boy's home becomes a gateway. If you're considering going to Japan to take in the MIRAI exhibit, why not go the whole nine yards? Watch the new clip with English subtitles after the jump.