Kaito Wakamatsu, a former forward for the Japanese U18 national soccer team, had distanced himself from soccer due to certain circumstances. He dropped out of the private high school he had entered on a sports scholarship and transferred to a local prefectural high school. On his first day at the new school, he meets a girl named Hibari Hamasuka. Kaito learns about futsal , a sport similar to but different from soccer, and is invited by Hibari to join her futsal team. However, he carries a trauma that caused him to distance himself from soccer and transfer schools .