Kakuta, Sakamoto desu ga? Wikia

He has short black hair, black eyes, and a muscular build. He usually wears sport clothes as seen in Chapter 7 (Episode 4). He is a male gym teacher. In the name of student guidance, he is on the lookout every day for students who break the school rules (especially Sakamoto).

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Sakamoto Desu ga? - Anime - AniDB

Haven't You Heard? I'm Sakamoto Discussion

Sakamoto desu Ga?, Wiki

Kakuta, Sakamoto desu ga? Wikia

Sakamoto desu ga? (Haven't You Heard? I'm Sakamoto) - Zerochan Anime Image Board

Kakuta, Sakamoto desu ga? Wikia

Sakamoto (Haven't You Heard? I'm Sakamoto), Heroes Wiki

Haven't You Heard? I'm Sakamoto (TV Mini Series 2016) - IMDb

Sakamoto (Haven't You Heard? I'm Sakamoto), Heroes Wiki