This is a big Acedemy where evry countryhuman lives.Its bascily teaches how to handle swords and etc(like Demon slayers).The boys and girls are in the same room evryone has a white bed.One of the strongest are Third Reich,Usa,USSR,Britian and Fance.At this morning there was no training..Some countries have power,some dosent(the power chooses you.The types are:Water,Wind,Void,Sun,fire,Time.).Most of the students and teachers are males.The teachers were away in a training,But the Acedemy got attacked by the demons.Third Reich looked shocked when he saw his own father Prussia...Who leaved him and now attacking him...