Takamine Tooru

Homeroom teacher for Class 3-A. Serves as the Mathematics teacher. He was transferred to Sakura Junior High School from a major company as a civilian employee. His pride as a serious elite educator has him push his educational policy to evaluate solely on the quality of the student's grades. Even so, he has a caring side, and even gives supplementary lessons to Tsukiyama Misaki, who has low grades. He's worried about the bad students in the school.