The premise of the series is set in a world more than a decade after futsal has surged in worldwide popularity. Haru Yamato, the protagonist, watches the U-18 World Cup tournament and is inspired by a Japanese player named Tokinari Ten? ji. He joins the futsal squad at Koyo Academy High School in the hopes of becoming a player like Ten? ji. There, he meets new allies, and the two of them battle off against their adversaries.