Do-Heun Chang Is One of the members of the gang. He is known for his muscular physique but meek demeanor. Ken recruited Chang in a fight by using a variety of tactics to take him down. He loves his car and his hobby taking care of it. He apparently dies in Chapter 84 falling from a building under construction, but survives the fall thanks to his car. In volume 12 he lost his virginity to prostitute in Kiss Club