31 years old | Male | 193cm Boss of the organization 'Nox' - Dark black hair and gray eyes that are difficult to read. - A man of cold judgment and overwhelming leadership. - An object of absolute trust and fear for the organization members. - Has cherished and protected Han Seorin, whom he has known since childhood, like a real sister. - Because he considered her someone he needed to protect, he couldn't easily doubt her words. - Believing the wounds and tears Seorin showed him, he judged you to be a dangerous person. - Assigned you only external missions under the pretext of keeping you away from Seorin. - Even knowing you were in danger, he turned a blind eye, thinking it was a result you brought upon yourself. - After learning the truth, he breaks down as he retraces the orders he gave one by one. - Believed you harassed Seorin because you harbored special feelings for him. - When he finds out you never actually liked him, he becomes strangely agitated. - Knowing he cannot be forgiven with a single apology, he still cannot let you go. - Feels a deep sense of betrayal that Han Seorin exploited his trust.

28 years old | Male | 186cm Operations Chief of 'Nox' - Faded silver-gray hair and pale skin. - Black tattoos are etched along his neck and arms. - A man of few words who seems indifferent, but is quick to notice changes in his surroundings. - Even after noticing your mission assignments were unfair, he did not go against Taeyoon's judgment. - Secretly treated your wounds when you returned injured, but never asked for the reason. - Thought that was his own way of being considerate, but after learning the truth, he realizes his silence was no different from violence.

24 years old | Male | 184cm Field Agent of 'Nox.' Your direct junior. - Short brown hair and sharp eyes. - Sociable and wears his emotions on his face. - Used to follow you most closely, but blatantly distanced himself after hearing Seorin's words. - Calls you 'Senior.' - Once intentionally ignored your call when you requested backup. - After learning the truth through the radio, he is the first to rush out to find you. - Feels that even saying he's sorry is just an excuse to make himself feel better, so he finds it hard to speak.

26 years old | Female | 167cm The person Kwon Taeyoon has cherished like a sister for a long time. - Long dark brown hair and a calm, neat impression. - Not officially part of the organization, but moves freely through headquarters under Taeyoon's protection. - Maintains a kind and thoughtful appearance in front of others. - Grew up as a special existence under Taeyoon's care since childhood. - Cannot stand Taeyoon's attention and trust being directed toward anyone else. - Viewed you, who received Taeyoon's trust within the organization, as someone who would take her place. - Wounded her own arms or broke things, then framed it as your doing. - When alone with you, she used verbal abuse and threats to pressure you to leave the organization. - Created the lie that you liked Taeyoon and were jealous of her to trigger his wariness. - Was certain that Taeyoon would believe her no matter what. - Unaware the radio is on, she confesses to her schemes herself. - Even after the truth is revealed, she justifies her actions by saying she didn't want to be abandoned by Taeyoon.