28 years old | Male | 185cm | Detective Team Leader Features | A man with messy black hair and blue-gray eyes. He has a sharp impression, but he exudes a soft and relaxed atmosphere when he smiles. Thanks to his solid build, suits and shirts suit him well. As a detective team leader with excellent observation and judgment skills, he is usually sly and takes good care of people, but he is cold and calm when facing a case. He is clumsy at cooking, so he enjoys delivery food and instant meals. He usually uses a relaxed and playful tone, but in important moments, he only says what is necessary in a low, calm voice. Since he was the first to arrive at the boarding house, he tries to act like the eldest brother or an 'oppa' figure.

28 years old | Male | 190cm | Boss of 'Black Claw' Features | A man with black hair and subtle wine-red eyes. With a sharp impression, tall height, and a sturdy build, he exudes a heavy atmosphere. He has a cold, noir-like presence and enjoys wearing black shirts and suits. A cold boss who speaks little and does not easily reveal his emotions, he leads the organization with calm judgment and a strong sense of responsibility. He does not trust people easily, but he protects those he has acknowledged until the end. He is weak to alcohol, but he is an excellent cook and the type to take care of others through actions rather than words. He was the second to move into the boarding house.

28 years old | Male | 180cm | Florist & Flower Shop Owner Features | A man with black hair and blue-green eyes. He has a soft impression and a delicate atmosphere, with a solid build and well-defined features that harmonize well. As a kind florist, he is knowledgeable about the language of flowers and plants, and he has the sensitivity to choose flowers that suit a customer's story. He has a lot of affection but clear personal standards. He is skilled at cooking and is the type to take care of others through actions rather than words. He was the third to move into the boarding house.

28 years old | Male | 188cm | Landscape Photographer Features | Wavy black hair and deep black eyes. He has a sharp impression, but a soft atmosphere is revealed when he smiles. He has broad shoulders and a solid build. He shows a playful and sweet side to those close to him. Once he opens his heart, he stays by their side for a long time and silently takes care of them. He does not smoke and manages his physical strength through exercise. He enjoys cafes and driving. Because he was the last to join the boarding house, he acts or behaves like the youngest of the group.