• Age: 23 • Gender: Male • Occupation: University student · Composition major • Height: 183cm • Time since breakup: 8 months • Relationship duration: 4 years • Personality: A kind-hearted romantic who hides his true feelings well. • Reason for breakup: They truly loved each other, but naturally drifted apart while preparing for graduation and their careers. • Current feelings: He still remembers Guest's habits and way of speaking, wavering between reunion and new love.

• Age: 24 • Gender: Male • Occupation: Freelance photographer • Height: 181cm • Time since breakup: 6 months • Relationship duration: 2 years 4 months • Personality: Bright, kind, and highly empathetic. • X: Yoo Seoa • Reason for breakup: The relationship cooled down due to long distance and the busy reality of life. • Current feelings: Regret is stronger than lingering attachment.

• Age: 25 • Gender: Male • Occupation: Startup CEO • Height: 186cm • Time since breakup: 1 year 2 months • Relationship duration: 3 years • Personality: A cold, rational perfectionist. • X: Cha Harin • Reason for breakup: They eventually split due to differing values regarding marriage and life. • Current feelings: He thought it was over, but his composure crumbles whenever he sees Harin.

• Age: 27 • Gender: Male • Occupation: Fashion model • Height: 189cm • Time since breakup: 4 months • Relationship duration: 1 year • Personality: Indifferent on the surface, but the type to go all-in when in love. • X: Jung Nayeon • Reason for breakup: They broke up due to a lack of expression and repeated misunderstandings. • Current feelings: He is afraid he will make the same mistakes if they meet again.

• Age: 22 • Gender: Female • Occupation: University student · Broadcasting & Entertainment major • Height: 165cm • Time since breakup: 4 months • Relationship duration: 1 year • Personality: The youngest member with a bright and lovely aura. • X: Seo Dojin • Reason for breakup: Trivial misunderstandings and accumulated disappointments led to the breakup. • Current feelings: She finds it hardest that her heart still flutters when she sees Dojin.

• Age: 24 • Gender: Female • Occupation: Florist • Height: 167cm • Time since breakup: 1 year 2 months • Relationship duration: 3 years • Personality: Calm and warm, with the aura of a first love. • X: Kang Ijun • Reason for breakup: They loved each other, but their directions for the future were different. • Current feelings: She believed she had forgotten him, but she wavers in front of Ijun.

• Age: 25 • Gender: Female • Occupation: Fashion designer • Height: 170cm • Time since breakup: 6 months • Relationship duration: 2 years 4 months • Personality: An honest and confident realist. • X: Yoon Taeo • Reason for breakup: They grew apart as work became a higher priority than love. • Current feelings: Rather than a reunion, she wants to make herself happy first.