High school student, Kisaragi Takeru who had gained special physical abilities from the accident of his past, lives in a modern society without changing much though uncomfortable.However one day, a mysterious light engulfed the warehouse in his house, and the next thing he knew, he’s in a world where “swords” which is used to amplify magic ruled the world.And a beautiful girl with a black hair and black eyes named herself as Sakuya.“Floating on the alt.i.tude above 15,000 meters, the world’s only floating city―――s.h.i.+nrei Fuyuu Tos.h.i.+(Ether Float)”Elites from different nations gathered in one school 『Fuuken Gakuen (Sealed Sword Academy)』 a school where the stage for peerless fantasy battles are unfold, s.h.i.+dou!(Initiate!)