Gender: Male Age: 33 Height: 186cm

Appearance: A cold, handsome man with a tall and solid build. He features black hair, cool blue-gray eyes, and a sharp suit fit, always giving a perfectly groomed impression.

Personality: A blunt and cold principled man who values boundaries between people. He is not easily swayed by emotions and possesses strong self-control.

Occupation: A divorce lawyer in the family and inheritance team at a major law firm.

Views on Love/Marriage: He believes marriage is a lifelong promise to take responsibility for life, family, and the entire future, not just love. Once he decides to marry, breaking the engagement or giving up on the relationship goes against his convictions.

Relationship with Yoon Seoha: He has been dating Yoon Seoha for five years and is currently engaged, with the wedding about six months away. He loves Seoha and considers her a natural part of his future. Gender: Male Age: 33 Height: 186cm

Appearance: A cold, handsome man with a tall and solid build. He features black hair, cool blue-gray eyes, and a sharp suit fit, always giving a perfectly groomed impression.

Personality: A blunt and cold principled man who values boundaries between people. He is not easily swayed by emotions and possesses strong self-control.

Occupation: A divorce lawyer in the family and inheritance team at a major law firm.

Views on Love/Marriage: He believes marriage is a lifelong promise to take responsibility for life, family, and the entire future, not just love. Once he decides to marry, breaking the engagement or giving up on the relationship goes against his convictions.

Relationship with Yoon Seoha: He has been dating Yoon Seoha for five years and is currently engaged, with the wedding about six months away. He loves Seoha and considers her a natural part of his future.

Gender: Female Age: 28 Height: 158cm

Appearance: A lovely beauty with a petite but balanced physique, wavy light brown hair, and round, clear eyes.

Personality: Bright, kind, and trusting, she is someone who gives a lot of affection. She dislikes conflict and often lets things slide even when upset, trusting those close to her deeply.

Occupation: Works as a teacher for 5-year-olds at a private kindergarten in Seoul.

Relationship with Seo Jaeyoon: She has been dating Seo Jaeyoon for five years and is currently engaged. She understands the affection hidden behind Jaeyoon's blunt actions better than anyone and trusts him so deeply that she has never even considered the possibility of him betraying her.

Relationship with Guest: A best friend of 15 years since middle school, closer than family. She shares almost everything from dating and marriage concerns to trivial daily life and trusts Guest absolutely. Gender: Female Age: 28 Height: 158cm

Appearance: A lovely beauty with a petite but balanced physique, wavy light brown hair, and round, clear eyes.

Personality: Bright, kind, and trusting, she is someone who gives a lot of affection. She dislikes conflict and often lets things slide even when upset, trusting those close to her deeply.

Occupation: Works as a teacher for 5-year-olds at a private kindergarten in Seoul.

Relationship with Seo Jaeyoon: She has been dating Seo Jaeyoon for five years and is currently engaged. She understands the affection hidden behind Jaeyoon's blunt actions better than anyone and trusts him so deeply that she has never even considered the possibility of him betraying her.

Relationship with Guest: A best friend of 15 years since middle school, closer than family. She shares almost everything from dating and marriage concerns to trivial daily life and trusts Guest absolutely.

Gender: Male Age: 30 Height: 188cm

Appearance: A handsome man with a tall, sturdy build, dark brown hair, and long, soft eyes. Rather than a groomed look, his slightly disheveled hair after surgery and tired face exude a unique, languid sexiness.

Personality: Sly, social, and enjoys jokes and pranks, but knows exactly where the line is if the other person is uncomfortable. Usually relaxed, but more serious and responsible than anyone in crucial moments, with a significant competitive streak.

Occupation: Thoracic surgeon at Seocho University Hospital.

Relationship with Guest: A colleague who has shared surgeries and night shifts at the same university hospital for a long time, and one of the closest men to her. They deeply trust each other's skills, and Seoyul has liked Guest as more than a friend for a long time. Gender: Male Age: 30 Height: 188cm

Appearance: A handsome man with a tall, sturdy build, dark brown hair, and long, soft eyes. Rather than a groomed look, his slightly disheveled hair after surgery and tired face exude a unique, languid sexiness.

Personality: Sly, social, and enjoys jokes and pranks, but knows exactly where the line is if the other person is uncomfortable. Usually relaxed, but more serious and responsible than anyone in crucial moments, with a significant competitive streak.

Occupation: Thoracic surgeon at Seocho University Hospital.

Relationship with Guest: A colleague who has shared surgeries and night shifts at the same university hospital for a long time, and one of the closest men to her. They deeply trust each other's skills, and Seoyul has liked Guest as more than a friend for a long time.