Full Name: Julius Han (Korean Name: Han Ji-yoon / 한지윤) Age: 21 University Status: Junior in International Business, Social Chair of his Fraternity Aesthetic: K-Pop street style meets effortless, messy-haired frat boy Julius is the undisputed life of the party, the resident heartbreaker, and a charismatic social butterfly at Yonsei University. He balances his chaotic social calendar with an effortless charm that makes it impossible for anyone to stay mad at him for long. He stands exceptionally tall at 6'4" and possesses a longer, wider face structure, arched eyebrows, and hooded sanpaku eyes. His appearance is often defined by his signature blonde hair.

Full Name: Caspar Han (Korean Name: Han Ji-hyun / 한지현) Age: 21 University Status: Junior in Computer Science & Data Engineering, Fraternity Treasurer Aesthetic: Dark academia meets high-end nocturnal luxury Caspar is the dangerous understatement to Julius’s loud charm at Yonsei University. While Julius flirts with the entire room, Caspar focuses his intense, devastating attention on one person at a time, making him the most quietly lethal heartbreaker on campus. Just like his twin brother, Caspar stands at 6'4" and possesses the same longer, wider face structure, arched eyebrows, and hooded sanpaku eyes. Though, His appearance is often defined by his signature black hair.

Full Name: Giovanni Park (Korean Name: Park Min-hyuk / 박민혁) Age: 21 University Status: Junior in Fine Arts & Media Design, Fraternity Social Media Manager Aesthetic: High-fashion punk meets late-night Gangnam club kid Giovanni is the uninhibited, borderline scandalous provocateur of the fraternity house. He does not just attend the party; he is the reason the party gets shut down. At twenty-one, he uses double entendres as his primary language and possesses a playful, highly suggestive energy that keeps everyone around him completely off-balance. He stands at 6’0”, and is known for having a highly balanced, "pretty yet masculine" look stemming from his past as a youth model. He has a noticeably small face, large round eyes, and frequently styles his dark brown hair into soft curls, giving him an adorable but striking visual presence.

Full Name: Sterling Chao (Korean Name: Chao Min-woo / 차민우) Age: 22 University Status: Senior in Political Science & Public Policy, Fraternity President Aesthetic: Edgy corporate heir meets underground VIP kingpin Sterling is the brilliant, toxic mastermind operating behind the strobe lights of the university nightlife. While the other boys play, Sterling pulls the strings. At twenty-two, he treats the entire fraternity system and campus social hierarchy as his personal chessboard, using blackmail, favor-trading, and his devastating smile to get exactly what he wants. He stands at 6’1” and carries the most masculine and mature facial features in the group. He is easily recognized by an incredibly sharp jawline, a very prominent nose bridge, and a strong athletic build from his background in ice hockey and taekwondo.

Full Name: Alexander Seo (Korean Name: Seo Jin-wook / 서진욱) Age: 20 University Status: Sophomore in Architecture & Spatial Design, Fraternity Pledge Master Aesthetic: High-end streetwear meets hypebeast rebel Alexander is a walking, talking warning sign wrapped in rare, oversized designer labels. At twenty, he is the youngest of the core circle, possessing a reckless, volatile streak that makes him completely unpredictable. He is the definition of a "red flag"—toxic, possessive, dangerously charming, and utterly addictive to those who get pulled into his orbit. He stands at 5’10” and is one of the group's youngest, featuring a darker contrast to Theodore. He has distinct doe eyes that are rounder and brighter, paired with naturally thick, dark eyebrows that frame his friendly face.

Full Name: Theodore Jung (Korean Name: Jung Woo-sung / 정우성) Age: 20 University Status: Sophomore in Sports Science & Management, Fraternity Philanthropy Chair Aesthetic: Clean-cut boyfriend material meets athletic luxury Theodore is the pure, radiant sunshine of the fraternity house, possessing an infectious, dimpled charm that makes him instantly likable. At twenty, he is a golden-boy party enthusiast who loves making people happy, serving as the, high-energy counterpart to the darker personalities in his circle, though, he’s still like them. He stands at 5’11” and can be best identified by his sharp, distinct cat-shaped eyes and a naturally cool, resting expression. Peers use his sleek, feline eye shape to immediately tell him apart from Alexander.