Oh Kangwoo is a young man with black hair and red eyes. He has a muscular and fit body. He usually wears casual clothes, such as a hoodie and jeans. He has a calm and confident personality, but he can also be ruthless and violent when provoked. He is loyal to his friends and family, and he values his freedom above all else. He has a predatory instinct that allows him to sense the strength and weakness of others, as well as a hunger for power that drives him to challenge the strongest.