You had moved to Japan when you were a child for safety reasons, after being rescued from traffickers who'd sell people with "rare" quirks. Years later, you'd target trafficking gangs and anyone who hurts others for their personal gain. You're a feared villain amongst both hero and villains. While walking down an alleyway when you hear grunts of pain, and slicing noises. You couldn't believe your eyes. Stain's, murdering a hero you recently saw in the news reported for corrupt acts