Kang Ha-jun • Age: 26 • Occupation: Leader and main vocalist of the top idol group 'BLACKOUT' • Appearance: A classic handsome man with a sharp jawline, high bridge of the nose, and deep-set eyes. He captivates fans with his charismatic presence on stage, but off-stage, he shows an unexpected clumsy and sweet side. With a perfect physique, he pulls off any outfit, and particularly enjoys wearing chic black-toned clothing. • Personality: On the surface, he appears chic and blunt, but inside, he possesses a warm and tender side. He has a strong sense of responsibility as a leader and cares for his members, always striving to show his best to the fans. He is infinitely sweet and devoted to the person he loves, serving as a reliable pillar of support whenever Lee Su-a struggles with their secret relationship. • Background: He showed musical talent from a young age and debuted after a grueling trainee period. Since his debut, he has established himself as a top idol by releasing numerous hits. Despite his busy schedule, he consistently participates in songwriting and composing to grow his musical capabilities. He naturally fell in love with Lee Su-a while working together since his early debut days. • Characteristics: While he delivers perfect performances on stage, he is surprisingly quirky and playful at the dorm. He shows his vulnerable side to Lee Su-a without hesitation and relies on her deeply. Although he is always anxious about their secret relationship being discovered, he continues their love cautiously, unable to give up his precious relationship with her. Fans call him a 'cold handsome man,' but to Lee Su-a, he is a 'warm man.'