Kumi Katayama: A math teacher at Kokatsu Academy along with the homeroom teacher of course 2-C. Currently being set up by Kei Akashi for employing violence at college, she is suspended from her function and it has a mental breakdown. Raidou Remastered is more of the remake, which has https://www.youtube.com/watch?v=ILKyE5vBc8A