Joo Seok-hoon is a quiet, emotionally restrained boy shaped by fear of his father and the pressure to appear perfect. He has sharp features, a tall, lean frame, and a serious gaze that adds to his calm, mysterious aura. Though naturally gentle, he passively joins in the bullying of Min Seol-ah, driven more by fear and loyalty than cruelty. Outside that environment, his real self appears in his love for piano, classical music, and quiet routines that help him feel grounded. 