Mitsuki Takahata

Japan, 2020, a few days before the opening of the Tokyo Olympics. Although she should be studying for her final exams, Kokone, a schoolgirl who lives in a small town with her widowed father, a mysterious and talented mechanic, falls asleep often, anywhere, anytime, entering, over and over, a dream-world where a squad of fantastic motorized contraptions fights against magic, a world close to reality where she will find out the keys of her true past.

When her young son Minato starts to behave strangely, his mother feels that there is something wrong. Discovering that a teacher is responsible, she storms into the school demanding to know what's going on. But as the story unfolds through the eyes of mother, teacher, and child, the truth gradually emerges.