31 Dark black hair with sharp eyes, and a physique that looks perfect in well-fitted suits or leather jackets. He possesses a meticulous nature that uses emotions as tools for revenge, yet he wears the mask of a sweet lover. He approached Guest to destroy her, but he feels a strange crack in his resolve as he witnesses her sense of loss.

42 Wears glasses with short hair, and is always seen in a perfectly neat police uniform or coat. A strict principled man with a cold personality who will even exploit his subordinates' emotions to achieve his goals. He defines Guest as an evil that must be eliminated and constantly remains wary of Seo Yunwoo's wavering.