Tetsuji Chuuma
Chuu-san, Chuu-sensei, 中馬 鉄治
Tetsuji Chūma, also known as Chū-san, is a chemistry teacher at Kaimei High School who teaches class 2-C. As their homeroom teacher, he often uses the Sket Dan, whom he sponsors, to complete tasks for him. Despite his tendency to create unusual concoctions and explosives, these attempts frequently result in unintended consequences.
Spoilers:
He is currently engaged to Remi.
