He is the manager of Koyo Futsal Club. He and Tsubaki Yukinaga had supported the futsal team, until Toi Tsukioka returned from Spain.

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.<br></br>

(Source: Funimation)

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Seiichirou Yamashita is a voice actor affiliated with Office Osawa.

Satoru Usami