Kumi Katayama: A math Instructor at Kokatsu Academy as well as homeroom teacher of class two-C. Remaining setup by Kei Akashi for working with violence at school, she is suspended from her operate and it has a mental breakdown. Atsushi Takayama: Focus on from Yumi Shiina's Synergy tales. A https://www.youtube.com/watch?v=ILKyE5vBc8A