Kumi Katayama: A math teacher at Kokatsu Academy along with the homeroom Trainer of course 2-C. Staying set up by Kei Akashi for employing violence at college, she is suspended from her perform and it has a mental breakdown. Atsushi Takayama: Target from Yumi Shiina's Synergy tales. A person https://www.youtube.com/watch?v=ILKyE5vBc8A