Kumi Katayama: A math teacher at Kokatsu Academy plus the homeroom teacher of class two-C. Being create by Kei Akashi for applying violence at college, she is suspended from her perform and it has a psychological breakdown. Raidou Remastered is more of the remake, with a massively overhauled battle https://www.youtube.com/watch?v=ILKyE5vBc8A