The young football fan Natsuru seems to be settling in well at the school in his new hometown, until he makes a mistake in his class that leads to him being shunned by his classmates. As if that weren't enough, the new coach of his football club makes his life a living hell. But then a girl named Rio enters his life, who is teased because of her height. Rio piques his curiosity, as like Natsuru, she also has only one parent. They secretly spend a few days together. However, Rio harbors a dark secret. A touching coming-of-age story that explores the experience of first, shy love and the struggle between personal will, great curiosity, and helplessness in the face of the adult world - absolutely relatable.