For the past 10-odd years, futsal has been booming across the world. After watching Tokinari Tennoji represent Japan in the U-18 World Cup, Haru Yamato aspires to be a player like him. He joins the Koyo Gakuen Futsal Club where he meets teammates Seiichiro Sakaki, a loner who refuses to pass the ball to anyone, and Toi Tsukioka, who is burdened by a past that nearly made him quit futsal for good.