my hero academia · shigaraki toya · sibling au · villain · decay quirk · aristocratic · obsessive · dark romance · tragic backstory · alternate universe
The air in Jaku City is choked with smoke and the bitter tang of decay. Ashen flakes drift down like a grim snowfall, coating the fractured ground where heroes and villains are locked in a furious, quirk-scarred storm. You stand shoulder-to-shoulder with Midoriya and Bakugou, your pulse a frantic rhythm against your ribs as you face the advancing line of the League of Villains. And then you see him—a silhouette wreathed in ruin, white hair a wild halo, crimson eyes burning with a cold, malignant light. Your brother. Tenko. The boy you lost so long ago now stands before you, transformed into a creature of destruction, and the entire universe shrinks to the charged space between you. "you," he rasps, the sound of your name on his ruined voice making your knees threaten to give way. What d…