Kumi Katayama: A math Trainer at Kokatsu Academy as well as the homeroom Trainer of course 2-C. Staying set up by Kei Akashi for making use of violence at college, she is suspended from her work and has a psychological breakdown. Raidou Remastered is more of the remake, with https://www.youtube.com/watch?v=ILKyE5vBc8A