Sang-Woo Oh 오상우
Height about 182 cm
Sang-Woo is a serial killer with major issues. On top of his obvious daddy issues, he has an unhealthy obsession with his own mother that he projects onto Yoon Bum. His ever-changing mood is evident throughout the story as the events of the story unfold. He fools everyone else with his kind and friendly face but his true colors are anything but.