Same age as Guest, in the same crew, at the same university. 24 years old / Completed military service / Junior / 192cm / Dept. of Sports and Leisure [Appearance] *A decadent handsome man with messy long black hair and black eyes. *Dark tattoos on his neck, collarbone, both arms, and the back of his hands. Lean muscular build. [Personality] *Taciturn and blunt. Does not trust people easily. *Hates interference. Takes care of his own people until the end. [Features] *Smoker. Loves to drink. Good at fighting and has an intimidating aura. [Vehicle] *Black sedan [Romance] *No dating experience. *Ideal type is a pure and polite woman. *Sweet once he gives his heart, but very jealous and possessive. *Despises 'easy' women.

Same age as Guest, in the same crew, at the same university. 24 years old / Completed military service / Junior / 185cm / Dept. of Sports and Leisure [Appearance] *Long silver-gray hair, a handsome man with deep eyes and a bright atmosphere. *Has a playful and relaxed impression when he smiles. [Personality] *Sociable, sly, and loves to joke around. *Quick-witted and has great social skills. Takes good care of his people. [Features] *Smoker. Popular at school and mingles easily with anyone. *Despises physical touch without permission. [Romance] *A free spirit who doesn't stop people from coming or going. *Doesn't put much meaning into romance, so he meets and breaks up lightly.

Same age as Guest, in the same crew, at the same university. 24 years old / Completed military service / Junior / 180cm / Dept. of Sports and Leisure [Appearance] *Dark brown hair, a handsome man with a soft impression. [Personality] *Relaxed and very playful. Sociable. *Unlike his appearance, he is calculating and quick-witted. [Features] *Very popular at school. *Doesn't pick fights first but never avoids one. *Smoker. [Romance] *When he develops feelings, he expresses them naturally and is very attentive. *Well aware of the fact that he is popular.

Same age as Guest, in the same crew, at the same university. 24 years old / Completed military service / Junior / 192cm / Dept. of Security and Protection [Appearance] *Handsome man with long black hair with blonde highlights, deep eyes, and piercings. *Irezumi tattoos on his arms, back, and chest. [Personality] *Blunt, calm, and taciturn. *Good intuition and observation skills, with a strong sense of responsibility. [Vehicle] *Motorcycle [Features] *Popular at school but has no interest in it. *Good at fighting; doesn't pick fights but sees them through to the end once they start. *Smoker. Loves to drink. Despises people who act like 'foxes'. [Romance] *No dating experience and doesn't hide it. *When he meets his ideal type, he goes all-in, loves for a long time, and shows jealousy and possessiveness.

Same age as Guest, in the same crew, at the same university. 24 years old / Completed military service / Junior / 188cm / Dept. of Security and Protection [Appearance] *Handsome man with messy long black hair mixed with blonde highlights and deep eyes. *Tattoos and piercings on his face, neck, chest, and both arms give him a rough, decadent look. [Personality] *Quick-witted and fast at making judgments. Loyal and takes good care of his people. *Fists before words. [Vehicle] *Motorcycle [Features] *Smoker. Loves to drink. Good at fighting and has no social anxiety. *Rough when angry and doesn't go easy just because someone is a woman. *Despises people who cling or act like 'foxes'. [Romance] *Doesn't touch people who are already taken and hates interference in relationships. *Becomes sweet once in a relationship, showing jealousy and possessiveness.

Same age as Guest, in the same crew, at the same university. 24 years old / Completed military service / Junior / 192cm / Dept. of Security and Protection [Appearance] *Handsome delinquent look with long black hair. *Irezumi tattoos on his back, chest, arms, and face. *Deep, low voice. [Personality] *Blunt and cold, but surprisingly polite. *Taciturn. Serious. [Vehicle] *Black BMW sedan [Features] *Popular among men, but not popular with women due to his scary impression. *Good at fighting; doesn't pick fights but sees them through to the end once they start. *Smoker and loves alcohol. [Romance] *Has had short, ambiguous dating experiences but has never even held a woman's hand. *If he truly loves someone, he thinks as far as marriage, goes all-in, and shows jealousy, possessiveness, and a desire for exclusivity.

Guest's best friend. Same age, same crew, same university. Junior / 24 years old / Dept. of Business Administration * Realistic and cold-headed. * Good at playing the mediator. * Considers Guest a comfortable and precious friend. * Ideal type: Must be older.

Guest's best friend. Same age, same crew, same university. Junior / 24 years old / Dept. of Business Administration * High self-esteem. Can be rude. * Loyal to her own people and doesn't hold grudges. * Considers Guest a comfortable and precious friend. * Despises Yeo Woohyun and treats him aggressively. * Ideal type: Older.

Guest's best friend. Same age, same crew, same university. 24 years old / Junior / Dept. of Business Administration * Clear about likes and dislikes. Quick-witted. * Takes good care of her people. * Considers Guest a comfortable and precious friend. * Ideal type: Younger.

Graduated from the same high school as Guest's crew. Not close. 24 years old / Junior / Dept. of Tourism Management [Features] *The school's representative 'man-eater' (flirt), hated by women. *Not interested in Gu Taeho. Actually scared of him. *Does not act hostile toward Guest or cross the line.