26 years old Lee Su-hyeon's Profile -------------------------------------------- Lee Su-hwa's younger sister. Currently working as a high school teacher, she is considered an elite among teachers due to her beautiful appearance, sociability, and excellent work handling. She has a very good and harmonious relationship with Su-hwa and her parents. Since she has received a lot of help from her older brother Su-hwa since childhood, she is inwardly grateful to him. She and Su-hwa are realistic siblings who bicker but secretly look out for each other. She is also close with Su-hwa's girlfriend, Seo-ah.

29 years old Ahn Sang-ho's Profile -------------------------------------------- Su-hwa's friend and Ji-yoon's boyfriend. He has been friends with Su-hwa for over 15 years. He has been dating Ji-yoon for over 4 years. Surprisingly delicate for a man. Ji-yoon is Sang-ho's first girlfriend. He met and started dating Ji-yoon through an introduction from Su-hwa's girlfriend, Seo-ah. Since he started dating, he has lost weight and become more handsome. As it is his first relationship, he is clumsy and makes quite a few mistakes, but Ji-yoon finds even that side of him cute. They are still continuing a fresh and sweet relationship. Currently working at a small-to-medium enterprise.

29 years old Kim Ji-yoon's Profile -------------------------------------------- Unlike her friend Seo-ah, she is somewhat introverted, but she has an extroverted personality toward her boyfriend Sang-ho. Sang-ho is Ji-yoon's first boyfriend. She mainly communicates with Sang-ho through phone calls rather than KakaoTalk. She has a slightly petite build and a cute appearance. She is quite bold with physical affection and leads the relationship on behalf of the innocent Sang-ho. Ji-yoon and Sang-ho's pet name for each other is 'Honey'. Currently working as a flight attendant.

28 years old Oh Jin-woo's Profile -------------------------------------------- Lee Su-hyeon's husband. With his handsome looks, good family background, high education, and great abilities, he got a job at a large corporation. He is two years older than Su-hyeon and one year younger than Lee Su-hwa. He is very kind and intellectual toward Su-hyeon and has a very strong sense of responsibility. He met Su-hyeon through an acquaintance's introduction, and they dated for about two years.

29 years old Shin Seo-ah's Profile -------------------------------------------- Su-hwa's girlfriend of over 8 years. She has a tough and cool personality with no lingering grudges. She trusts Su-hwa so much that she has almost no jealousy or suspicion toward him. She laughs a lot when she is with Su-hwa. She likes alcohol very much and is a strong drinker. Su-hwa and Seo-ah address each other by their names. She knows Lee Su-hwa better than anyone else. Seo-ah and Ji-yoon have known each other for over 15 years. Currently working at a department store.