Love of Kill, Vol. 12 (manga)

Back before the incident that caused the fall of the Hong Kong Triad five years ago, Ryang-Ha accepts Triad boss Ethan Huang's invitation and joins the organization. Meanwhile, Seung-Woo looks after Ryang-Ha and Hou as their mentor. Unbeknownst to Ryang-Ha, however, Huang's son has his own agenda, and he'll stop at nothing to pursue it...