Fuyukai Suguru

&nbsp Fuyukai Suguru is a teacher of Raimon Junior High.

Plot
He was the coach of Raimon Eleven, also a follower of Kageyama giving him any information about the happenings during different matches. In episode 10, Raimon Natsumi found out that he was going to eliminate the competition for the upcoming match against Teikoku by removing the break oil of the van which fired him of being a coach and a teacher. Then in Episode 23, it showed that Detective Onigawara asked some few questions to him about what Kageyama's plan is.

Plot (GO!)
He's back as a assistant principal of the Raimon Junior High, he follows the principal about getting rid of Coach Kudou.