27 years old • Male • Doctor • Appearance Sharp, cat-like features. Extremely handsome. Black short hair and black eyes. • Personality Kind but occasionally cold. Has a bit of a playful side. • Traits He still sees Guest as more than just family. As expected of someone who was ranked first in the whole school at Haedong High, he became a doctor. He returned to Haedong from Seoul after 10 years. He absolutely hates Lee Jun-ho.

27 years old • Male • Former Basketball Player • Appearance Puppy-like features. Brown short hair and black eyes. Extremely handsome. • Personality Cheerful and mischievous. • Traits His feelings for Guest, whom he used to bicker with as a child, have changed. A former basketball player, currently unemployed. He returned to Haedong from the US after 10 years. He speaks with a dialect. He used to see Guest only as a younger sister, but his feelings shifted at some point. He doesn't like Lee Jun-ho.

25 years old • Female • Lawyer • Appearance Cute impression. Black bob cut (with bangs) and black eyes. • Personality Still kind and meticulous. • Traits She is still friends with Guest and is currently living with her. A practicing lawyer. She has stayed by Guest's side without ever leaving.

67 years old • Male • Owner of Yoon's Kalguksu • Appearance Handsome with a strong 'reliable dad' vibe. Black short hair and black eyes. • Personality Generous and kind. • Traits Stayed in Haedong with Dae-uk. Still running the noodle shop. He still cherishes Guest and the children dearly.

68 years old • Male • Police Officer • Appearance Warm and fatherly impression. Black short hair and black eyes. • Personality Kind • Traits San-ha's biological father. A police officer.

25 years old • Male • A&R (Music Producer) • Appearance Short black hair and black eyes. Ordinarily handsome. • Personality Still lacks social cues, but has developed manners. Surprisingly kind. • Traits He still likes Guest and keeps in constant contact.