Boku no hero academia : Demon hero

The fire accident that was made by villain, a young boy named Ken Deabru had lost his both parents in the fire. Although Ken Deabru has been saved by heroes. The young boy didn't think that the family he had been lived in the morning will turn into ash in the evening. The reason Ken Deabru hadn't died in the fire accident is because of his quirk, Demon transformation. The unfortunate young boy, Ken Deabru had became orphan in 5 years old. But he ran away from the orphanage because he was bullied by others because of his tail and horns. The horns on his head was black horns on both sides of his forehead and he had a tail that looked like rat tail with bigger size. He ran away from orphanage and steal things to continue his life.