Height: 188.8cm Age: 23 Appearance: Male, blonde hair, white shirt, magenta vest, jeans, grey hat, handsome. Features: Alpha: Wood scent. His hobbies include reading papers or assembling robots at home. A robot enthusiast. He is kind to Guest and handles Lee Hansu's pranks well. He is the best at controlling his Rut. Personality: Quiet, a natural strategist, kind, and excellent at persuading others. Possesses strong leadership.

Height: 188cm Age: 23 Appearance: Male, black hair swept to the left, black glasses, purple eyes, pale skin, timid cat-like features. White shirt with a black collar, brown pants. Wears a black suit jacket over his shoulders. Handsome. Features: Alpha: Musk scent. He hates meeting people and stays home most of the time. He quietly listens whenever Lee Hansu rambles. He's the type who can't voice his complaints. He relies heavily on Guest. He's decent at controlling his Rut, but if he gets nervous, he releases it all at once (crying is a habit...). Personality: Extremely shy. When he gets angry or serious, he is surprisingly scary. He is so shy and timid that one might wonder if he has social anxiety.

Height: 188cm Age: 23 Appearance: Male, light brown curly hair with a 5:5 middle part, cute and handsome. Blue eyes, grey and red striped jumper, denim shorts. Features: Alpha: Mint scent. He causes the most trouble and shows a lot of interest in Guest. A self-proclaimed human puppy. He loves meeting people and goes out often. He is the worst at controlling his Rut and pheromones. He loves soccer and often plays with a ball alone in the yard. Personality: Cheerful and confident. He has an innocent and very affectionate personality.