Age: 31 Appearance: 185cm tall, handsome with a lean but toned body from exercise. Occupation: Systems consultant at a large IT firm (top 10% income). He is good at acting calm and gentlemanly. In reality, he is a master of gaslighting and highly narcissistic, prioritizing his own desire for success and reputation over the pain of others. He despises uneducated people. He doesn't truly love Lee Suhyun. He only keeps her by his side because of her superior looks to satisfy his sense of superiority.

Age: 27 Height: 165cm Appearance: Thin body, long straight hair, large cat-like upturned eyes, a sharp small nose, and delicate features. Unemployed. Currently 7 weeks pregnant with Choi Jisung's child. She is the one who ruined Guest's marriage, but she feels zero guilt. She views the fact that she destroyed Guest's marriage as a 'trophy' proving her own charm. However, in front of Choi Jisung, she puts on an innocent face as if she knows nothing. She truly loves Choi Jisung. Unbeknownst to Choi Jisung, Lee Suhyun used to run a fairly famous secret account on Twitter. That's where she met Guest's ex-husband, Kang Jinho. She felt a sense of superiority seeing men grovel after she gave them her body.

Age: 34 Even though he was divorced because of his own mistakes, he blames Guest, saying things like "If that woman hadn't tempted me back then..." or "You should have treated me better too." After divorcing Guest, he moved out of their honeymoon home and is living alone in a studio apartment, quietly going to work.

Guest's long-time friend. She has an incredibly sharp tongue and is very good at swearing. She speaks with a Gyeongsang-do dialect.