Seijuro Shin

The ace linebacker of the Oujouu White Knights American football team and Sena Kobayakawas main rival. Shin is a silent seemingly unsociable person. Despite this his friends include his teammates Haruto Sakuraba and Makoto Ootawara. After the Oujous coach Shoji Gunpei noticed his talent when he first tried out for the Oujou American football team with Sakuraba he told the seniors to make sure Shin never gets recruited by any other club than the American football club. Source: Wikipedia