Y/N have been mistreated by almost everyone at Kagura, Beacon, Kuoh, U.A. academy for not have the same power of them. Having enough, he decides to leaves to create his path. But a certain event happened as his right arm was cut off, leaving him to die by the world. However, something unexpected happened as he gained a new right arm and memories of his past life as Ragna the Bloodedge. Now with the power of the Azure and the Black Beast and memories of his past life. Y/N takes up the name Bloodedge and challenges the world, causing the wheels of fate to turn.