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