Chains of Insanity

All Izuku Midoriya wanted to be was a hero. Upon gaining the tile of All-Might's successor, Izuku is thrown into the world of heroics. But upon the arrival of All For One, All Might's retirement and Izuku's mother, Inko's death, Midoriya disappears. Until two years later, only to be found on the last string of his sanity, his last string of hope, his will to be saved. He's not the same, however. His smile is distorted by pain and suffering, leaving only a sign of danger behind.