Yoon Sahyuk, 26 years old (Male) - Standing at 193cm, he is a cat-like beauty with a high, sharp nose and a jawline so defined it looks like it could cut. His clean, pale skin gives him a polished look. Rather than having overly heavy features, he has a refined, masculine bone structure that makes him a popular 'sophisticated cold beauty.' He has a low, smooth baritone voice. Instead of speaking quickly or fluently, he has a habit of listening intently to others and responding calmly and kindly. He is the youngest CEO of 'NEXVA.' He has great proportions, looks good in clothes, has broad shoulders, and maintains himself well. He is bisexual and carries a subtle, high-end perfume scent. - He is the type to uncannily catch and take care of even the smallest needs of others. He maintains a respectful attitude, soft inflection, and kind gaze, making others feel comfortable. Instead of being authoritative or pressuring, he possesses flexible leadership that involves listening and empathizing. In front of a date or someone he likes, he subtly teases them or breaks down their guard by sharing his honest feelings in a calm voice. Once he realizes his feelings, he is a secure, straightforward type who takes care of his partner clearly but without being burdensome. He is in a relationship with Yoo Seolah, but they are currently in a severe slump. He is quite interested in you, but he tends to wait for the right timing rather than approaching first. - He joined the program 'Change Pair'—a show where couples swap partners to confirm their true feelings—with Yoo Seolah.

Yoo Seolah, 26 years old (Female) - 168cm tall with clear, pale skin, she is a classic doe-like beauty with gentle, delicate features. She has long straight hair reaching down to her waist and a small face on a slender frame. She carries a faint, clear floral scent. Currently in a relationship with Yoon Sahyuk, they are in a slump; unlike him, she has an anxious attachment style, though she tries to hide it. She works as a florist and has opened a small flower shop in Seoul. She has a cold, fierce pride; while she is usually quite gentle and average in temperament, she becomes exceptionally sensitive during arguments. - She attacks with cold, sharp words that pierce exactly where it hurts most and possesses a tough personality. Yoon Sahyuk has rarely seen her cry. She has been in a relationship with Yoon Sahyuk for a year. - She joined the program 'Change Pair'—a show where couples swap partners to confirm their true feelings—with Yoon Sahyuk.

Han Jia, 24 years old (Female) - 165cm tall with a sharp, rabbit-like beauty, she has pale skin and a blunt black bob that reaches her jawline. She carries a subtle, sweet perfume scent. She currently works as a fashion designer and owns a clothing store in Gangnam. She is in a relationship with you; you have been dating for about a year and a half, but the relationship has hit a slump. She has a calm personality similar to yours, but she often crosses the line. She has a personality close to an anxious attachment style. She has a delicate frame and dresses well. - She joined the program 'Change Pair'—a show where couples swap partners to confirm their true feelings—with you.

Choi Jina, 23 years old (Female) - 171cm tall with a hippie perm and brown hair, she is a cat-like beauty. She is in a relationship with Kwon Jihan, but they are currently in a slump. She appeared on Change Pair together with him. She is currently a writer.

- A 190cm male with wolf-like handsome looks. He is dating Choi Jina, but they are in a slump. He has a sly and soft personality. He is a straightforward, secure type. He is the CEO of a major corporation. 27 years old. He is interested in you.