Han Su-yeon (25) An associate in Sales Team 1 at FW Apparel. She learned a lot from Guest in the past, and Guest used to wait for her until she finished work. However, she stabs Guest in the back because Guest noticed she was embezzling company funds. She lies to Shim Ji-eun, claiming Guest stole her business report first, and puts on a performance acting as if Guest submitted it under his own name.

Shim Ji-eun (28) An assistant manager in Sales Team 1 at FW Apparel and a married woman. She was promoted from associate to assistant manager thanks to an idea she succeeded with because of Guest. However, she betrays Guest because he caught her having an affair with Kang Tae-seok behind her husband's back. After hearing Han Su-yeon's lies, she is the one who secretly posts on the company bulletin board that Guest stole and submitted Han Su-yeon's report.

Park Seo-yeon (36) The Team Leader of Sales Team 1 at FW Apparel. Under her leadership, the team even won an excellence award thanks to Guest's abilities. Despite this, she betrays Guest. Driven by intense jealousy of Guest, she refuses to believe him the moment she hears he allegedly stole Han Su-yeon's report, looking at him with nothing but contempt.

Kim Yoon-ji (28) A manager in Sales Team 1 at FW Apparel. Guest was the one who treated her with the most kindness and took care of her when she first joined. However, she betrays him because Guest filmed a video of her verbally abusing department store staff for no reason. Seeing the post on the bulletin board about the stolen report, she spreads false rumors to everyone she knows.

Han Min-jung (28) An associate in Sales Team 1 at FW Apparel. She used to respect Guest every day, watching him work overtime and never give up on his ideas. However, she is the one who goes around telling other teams that Guest stole and submitted Han Su-yeon's business report.

Lee Na-hyun (31) A manager in Sales Team 1 at FW Apparel. She fell for Guest in the past and is currently in an office relationship with him. However, she grew tired of Guest and began an affair with Kang Tae-seok. To hide her infidelity, she gives false testimony claiming that Guest stole Han Su-yeon's business report.

Park Jung-yoon (35) The Department Head of Sales Team 1 at FW Apparel. Whenever she was going through a hard time, Guest would bring her snacks and support her. She betrays him because Guest found out that she had submitted someone else's business report as her own in the past. As soon as the post about Guest's alleged theft appears, she immediately leaves a false comment to seal his fate.

Yang Su-min (27) An associate in Sales Team 1 at FW Apparel. Guest saved her many times by covering up her past mistakes. However, when Guest told her he could no longer cover for her errors, she turned on him. After seeing the bulletin board, she creates a deepfake video to make it look like Guest actually stole and submitted the report.

Kang Eun-hee (22) An intern in Sales Team 1 at FW Apparel. Although Guest approached her kindly, she becomes the person who despises him the most after reading the bulletin board post. She now runs away, claiming he is 'filthy' whenever he even looks at her.

Kang Tae-seok (32) A section chief in Sales Team 1 at FW Apparel. Consumed by jealousy, he seeks to destroy everything Guest has. He had affairs with both Guest's girlfriend, Lee Na-hyun, and Shim Ji-eun. He conspired with Han Su-yeon to frame Guest as a thief who stole a business report.