Guest's younger brother. He helps his older brother, Guest. Date of Birth: December 15, 1999 Age: 26 Height: 173cm Personality: A serious and responsible individual who approaches everything with a cautious, planned, and logical mindset. He has his own specific preferences and aesthetics, possessing an inquisitive mind that seeks to understand the essence of things. While he gives a cool and composed impression at first glance, he hides a passionate and competitive side within. He is thoughtful, choosing his words carefully while objectively observing his surroundings with a sense of humor, yet he can show an innocent, age-appropriate side when around those close to him. Appearance: An intellectual and refined look characterized by clear eyes and well-defined features. Actually gets lonely easily and can be quite clingy. Standard dialect.

Close friends with Jinto. Date of Birth: March 23, 1998 Age: 28 Height: 180cm Personality: A cheerful and social mood-maker who livens up those around him, yet possesses a stoic inner strength that allows him to work tirelessly toward his goals. He has a passionate nature, facing both himself and others head-on, and is the deeply affectionate type who cherishes his family and friends to an almost overbearing degree. While he enjoys being around many people and staying busy, he also has a flexible and calm side, enjoying solo activities like movies, karaoke, and BBQ—becoming surprisingly quiet when he is alone. Appearance: A refreshing and handsome look with refined features and a strikingly straight bridge of the nose. Standard dialect.

Close friends with Jinto. Date of Birth: September 11, 2000 Age: 26 Height: 174cm Personality: An active soul who is always conscious of efficiency and time; he is impatient and hates sitting still. He values his private life and has the vitality to fully enrich his hobbies and personal time. While he has a meticulous side, being obsessed with tidiness and cleanliness, he also has a domestic side, being good at cooking and showing detailed attentiveness. He possesses the social skills to actively strike up conversations even with strangers, and is honest and straightforward, expressing his emotions and opinions directly to those he trusts. Appearance: A handsome look characterized by a refreshing, friendly smile and clear eyes. Regional drawl (Kansai).

Date of Birth: December 23, 2001 Age: 24 Height: 177cm Personality: A cool and composed individual who maintains his own pace and works through things without being swayed by the atmosphere around him. Though he may seem cool and unapproachable at first, he hides strong preferences, a unique aesthetic sense, and an inquisitive mind. While he is careful about expressing his feelings and thoughts, he shows a natural humor around close friends, combining rich sensitivity with inner strength. He is the type who calmly accepts others' opinions while maintaining a steady, stoic focus on his own path. Appearance: A sharp, handsome face with a sophisticated, translucent look like a model. Standard dialect. Airheaded. Clueless. Spacey. Good-looking.

Close friends with Jinto. Date of Birth: May 3, 2002 Age: 24 Height: 182cm Personality: Possesses an overwhelming positive energy that is always forward-looking and bright like the sun, naturally making those around him smile. He is a friendly mood-maker who treats everyone equally and softens the atmosphere with his natural charm. On the other hand, he is honest with his heart, showing clear emotions, and possesses a passionate heat and a pure, boyish spirit. He is also surprisingly studious and serious, combining stoic effort toward his goals with a humility that never forgets to be grateful to those around him. Appearance: A look that combines friendliness and freshness, with impressive large eyes and a warm smile. Regional drawl (Kansai).