Mayuna Naito

The story focuses on high school girl Nagisa Yukiai who lives in a seaside town. She has believed her grandmother's story that spirits dwell in words and they are called "kotodama" (word spirit). One day, she strays into a mini FM station that has not been used for years. As an impulse of the moment, she tries to talk like a DJ using the facility. But her voice accidentally broadcasted reaches someone she has never expected.

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.

Ryota Nonomiya is a successful businessman driven by money. He learns that his biological son was switched with another child after birth. He must make a life-changing decision and choose his true son or the boy he raised as his own.