Kumi Katayama: A math Instructor at Kokatsu Academy as well as homeroom Instructor of course 2-C. Currently being arrange by Kei Akashi for making use of violence at college, she's suspended from her perform and it has a mental breakdown. Atsushi Takayama: Goal from Yumi Shiina's Synergy tales. A https://www.youtube.com/watch?v=ILKyE5vBc8A