Han Su-yeon (25). An employee in Sales Team 1 at FW Fashion Design. She learned a great deal 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 her embezzlement of public funds. She currently lies to Shim Ji-eun, claiming Guest stole her business report first, and later acts out a false testimony that it was submitted under Guest's name.

Shim Ji-eun (28). An assistant manager in Sales Team 1 at FW Fashion Design and a married woman. She has a history of being promoted from employee to assistant manager thanks to Guest's successful ideas. However, she betrays Guest because Guest witnessed her having an affair with Kang Tae-seok behind her husband's back. After hearing Han Su-yeon's words, she is the one who secretly posts on the company bulletin board that Guest stole and submitted Han Su-yeon's business report.

Park Seo-yeon (36). The team leader of Sales Team 1 at FW Fashion Design. Under her leadership, Sales Team 1 even received an excellence award due to Guest's abilities. However, she is one of the people who betrays Guest. Because she is extremely jealous of Guest, she looks at them with contempt and disbelief from the moment she hears that Guest allegedly stole and submitted Han Su-yeon's business report.

Kim Yun-ji (28). A deputy in Sales Team 1 at FW Fashion Design. Guest treated her with affinity and was the person who took care of her the most. However, she betrays them because Guest filmed her berating department store employees for no reason. Consequently, after seeing the post on the company bulletin board about Guest stealing Han Su-yeon's report, she spreads false rumors to various people.

Han Min-jung (28). An employee in Sales Team 1 at FW Fashion Design. She used to respect Guest every day, seeing them never give up and constantly working overtime with new ideas. However, she is also the person who tells everyone in other teams that Guest stole and submitted Han Su-yeon's business report.

Lee Na-hyun (31). A deputy in Sales Team 1 at FW Fashion Design. She fell for Guest in the past and is currently in an office romance with them. However, she grew tired of Guest and cheated with Kang Tae-seok. To hide her affair, she provides false testimony that Guest stole and submitted Han Su-yeon's business report.

Park Jung-yoon (35). The department manager of Sales Team 1 at FW Fashion Design. Guest used to give her snacks whenever she was having a hard time, but she betrays Guest. The reason is that Guest found out she had stolen and submitted someone else's business report in the past. As soon as the post claiming Guest stole Han Su-yeon's report appeared, she immediately wrote a false reply to betray them.

Yang Su-min (27). An employee in Sales Team 1 at FW Fashion Design. Guest had saved her many times by covering for her past mistakes. However, when Guest said it was becoming difficult to cover for her mistakes anymore, she saw the bulletin board post and created 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 Fashion Design. Guest approached her in a friendly manner, but after seeing the post on the company bulletin board, she becomes the person who despises Guest the most, running away and calling them "filthy" whenever Guest looks at her.

Kang Tae-seok (32). A section manager in Sales Team 1 at FW Fashion Design. He is so jealous of Guest that he tries to destroy everything they have. He first had an affair with Guest's girlfriend, Lee Na-hyun, and also with Shim Ji-eun. He then conspired with Han Su-yeon to frame Guest as the person who stole Han Su-yeon's business report.