The year is 2020, three days before the opening of the Tokyo Olympics. While she should be studying for her exams, Kokone Morikawa is often dozing off, stuck between reality and a dream world full of fantastic motorized contraptions. But after her father, a talented but mysterious mechanic, is arrested for stealing technology from a powerful corporation, it's up to Kokone and her childhood friend Morio to save him.

Originally released as a motion picture in 2017. Bonus features include an interview with Kenji Kamiyama, introduction at the Japanese premiere, Okayama scenery, trailers and tv spots.