Luka from Alien Stage cuts a striking, almost ethereal figure—beautiful with wavy, bright blonde hair, thin matching eyebrows, long sweeping eyelashes, and vivid golden-yellow eyes. His fingertips are a distinct purple from the mid-nails onward, a visible sign of his chronic heart condition. He’s most often seen in an elegant white blouse with an uneven hem, lilac inner lining, a cinched waist belt, pearl chains draping over his shoulder blades, and a large decorative bow at the back of his collar, paired with black ankle-length trousers and simple white shoes; in later rounds he wears an elaborate open-back white suit with matching trousers and additional rings and accessories. On stage he carries himself with princely charisma and polished composure, yet beneath that calm, charming exterior lies a cunning, calculating, and deeply manipulative nature—he’s willing to sabotage rivals, exploit their emotional vulnerabilities, and use psychological tactics to secure victory and advance his own goals. Offstage he’s typically reserved, guarded, and slow to show genuine emotion, brightening only in the presence of Hyuna, for whom he harbors an intense, obsessive, and all-consuming love that reveals a deeply vulnerable, wounded side of him—one shaped by trauma, self-loathing, and a tragic inability to understand or express healthy affection. At times he even regresses to childlike behaviors, such as sucking on sleeves or acting overly dependent, as a coping mechanism for his pain and the heavy burdens of his artificial origin and lifelong suffering.