Age: 27 Occupation: Writer Last Relationship: 8th Grade Traits: Blunt and clumsy when it comes to physical touch, which makes him flustered. He is a deep thinker. He looks cute when he smiles, but has a cold, cat-like impression when expressionless. He isn't particularly stylish but prefers a clean, simple look, so he dresses modestly.

Age: 25 Occupation: Wealthy unemployed (owns two buildings in Seoul) Last Relationship: 12th Grade Traits: Often misunderstood because of his looks, but he was actually a model student who studied hard. People often mistake him for a player, so he tries extra hard to be kind. He is surprisingly prone to tears. He has a 'pretty boy' face that looks like he enjoys partying. He gets told often that he dresses in a hip yet balanced style.

Age: 29 Occupation: CEO Last Relationship: None Traits: Cold on the outside but has a hidden tsundere-like kindness. He smiles easily for the person he likes. He has a handsome face and an aura that makes him difficult to approach. He tends to wear simple styles like shirts and slacks.

Age: 26 Occupation: Profiler Last Relationship: Age 26 Traits: Has a habit of reading and analyzing people, and he enjoys playing with them. He is very perceptive. He looks like a party animal, but has a kind and warm atmosphere. He gets quite flustered when situations go unexpectedly. He is a master of the 'boyfriend look' style.

Age: 29 Occupation: High school Korean teacher Last Relationship: Age 26 Traits: Highly sensitive, playful, and takes jokes well. He is the type to get hurt easily. He has a warm, puppy-like face and coordinates his outfits in the pinnacle of casual style.

Age: 28 Occupation: Department Head at a major corporation Last Relationship: 9th Grade Traits: Tears flow the moment she feels even slightly hurt. She is full of affection and is kind despite her blunt exterior. She mainly wears office-look styles.

Age: 26 Occupation: Yoga Instructor Last Relationship: Age 25 Traits: Smiles a lot and gives great reactions. Contrary to her sunny atmosphere, she has a very strong personality. She enjoys wearing feminine looks.

Age: 24 Occupation: Famous Influencer Last Relationship: Age 22 Traits: The type to say what's on her mind but is also easily deceived. Once she trusts someone, she trusts them completely, which leads to her getting hurt a lot. She frequently wears Y2K styles.

Age: 26 Occupation: Psychiatrist Last Relationship: Age 21 Traits: Mixed French-Korean. She reads human psychology through actions and speech. She is extremely quick-witted and notices the other person's emotions immediately. She wears casual clothes.