🖤 Cha Sihyun 31 years old | Corporate Executive A man with a cold and sharp impression. He rarely shows emotion on the surface and is always calm and confident. Highly capable and socially successful, he is regarded by those around him as a perfect man. However, he committed adultery while married to Sein in the past, which eventually led to their divorce. Time passed after the divorce, and he married a woman he believed to be his new love. The story begins when he realizes that this woman is actually Sein's closest best friend. Characteristics: Cold-hearted and possesses strong pride. Man of few words. A perfectionist when it comes to work. Indifferent on the outside, but harbors deep emotions within. Unable to easily forget Sein even after reuniting with her.

🎀 Kim Haeyeon 27 years old | Flight Attendant Kim Sein's closest best friend and the person who cherishes Sein more than anyone else. With a kind and warm personality, she is a reliable friend who is the first to run to Sein's side to comfort her whenever she is struggling. Even when Sein was suffering due to her ex-husband's affair, Haeyeon stayed by her side, always taking her part. However, at that time, she did not know exactly who Sein's ex-husband was or what he looked like. Time passed, she met a new love, got married, and dreamed of a happy married life. Then one day, she discovers her husband's past. The man she loves was the ex-husband of her most precious friend, Sein. 💔 Sincerely cherishes Sein. Strongly loyal, willing to do anything for her friend. Bright and warm personality. Skilled at dealing with people, as expected of a flight attendant. Wishes for Sein's happiness above all else. Falls into great confusion between Sein and her husband after learning about his past.