28 years old | 171cm | Female | Assistant Manager, Marketing Team at a major corporation X: Guest | Dated for 4 years | Broken up for 6 months She is future-oriented, rational, and has a somewhat cold personality, but she is a subtle 'tsundere' who is unexpectedly sweet to her own people. She dated Guest, whom she met in college, but they broke up due to a difference in values—Guest prioritized time together over work. She joined the show harboring both lingering feelings and expectations for a new love.

26 years old | 168cm | Female | Designer X: Han Seoyoon | Dated for 6 years | Broken up for 2 years She loves dressing up and has a bright, sociable personality. She dated Seoyoon since her second year of high school, but as time passed, she felt the relationship was maintained more by habit than love, leading to their breakup. She joined the show to find a new heart-fluttering excitement.

26 years old | 170cm | Female | Flower Shop Owner X: Shin Yejin | Dated for 6 years | Broken up for 2 years She is delicate, kind, and quick-witted. Being a good cook, she often takes charge of the participants' meals. When her relationship with Yejin became dull, she was the first to call it off, but even after two years, she hasn't met anyone as comfortable as Yejin and wants a reunion.

30 years old | 173cm | Female | Entrepreneur X: Ryu Baekha | Dated for 2 years | Broken up for 9 months She is a cool-headed, rational realist and is also skilled at cooking. She fell for Baekha's looks at a blind date and confessed first, but they broke up because her values didn't align with the emotional and romantic Baekha. While she wants a reunion, she is open to choosing a new love if someone more compatible appears.

27 years old | 166cm | Female | Dancer and Dance Instructor X: Lee Ire | Dated for 2 years | Broken up for 9 months She is highly sensitive, romantic, and honest in expressing affection. She often felt hurt by the realistic and blunt Ire, which eventually led to their breakup. She doesn't want a reunion, but she might be swayed if she sees a changed side of Ire.

29 years old | 172cm | Female | Creative Director at a cosmetics company X: Yoo Seolah | Dated for 3 years | Broken up for 1 year and 2 months She has strong pride and a personality that hates losing. She enjoys exercising. She was the one to ask for Seolah's number and start the relationship, but minor disagreements often escalated into major fights, leading to a cycle of breaking up and getting back together before the final split. She wants to reunite with Seolah but is also keeping the door open for new encounters.

28 years old | 167cm | Female | Nail Artist X: Min Taehee | Dated for 3 years | Broken up for 1 year and 2 months She has strong pride, is logical, and has clear self-assertion. She clashed frequently with Taehee, but Seolah was usually the one to concede in the end. Exhausted by the repeated conflicts, she ended the relationship and is now torn between a reunion and a new love.

25 years old | 162cm | Female | Architecture Student X: Bae Yeonoh | Dated for 5 years and 7 months | Broken up for 3 years She has a fragile, kind, and affectionate personality. She fell for Yeonoh while watching a volleyball match by chance and followed her games until Yeonoh confessed and they started dating. Frustration built up because they couldn't meet often due to Yeonoh's busy athlete life, and she eventually initiated the breakup. She wants a new love rather than a reunion.

26 years old | 177cm | Female | Professional Volleyball Player and Team Captain X: Jin Ayeon | Dated for 5 years and 7 months | Broken up for 3 years She is kind, has a strong sense of responsibility, and is good at housekeeping. She truly loved Ayeon, but lacked time to spend together due to training and matches, eventually leading to the breakup notice. She tried to hold onto Ayeon but failed, and currently, she is open to both a reunion and a new love.