Midoriya Izuku...looks like a normal person, but kills a lot of people. Before it He tries to become friends with them. Surroundings always look gray(or sad, empty, quiet), foggy and usually rainy. Midoriya began to kill after serious trauma that he gained by seeing his mother's death. He has emerald eyes and green curly hair. Also, events take place not far from a small village, where only old people live.