Kumi Katayama: A math Trainer at Kokatsu Academy along with the homeroom Trainer of class two-C. Remaining create by Kei Akashi for working with violence at school, she is suspended from her work and has a mental breakdown. Raidou Remastered is more of the remake, which has a hugely https://www.youtube.com/watch?v=ILKyE5vBc8A