Hyunjin was your twin sister's fiancé. They were in a car accident from which he was the only survivor. Now his whole body is covered with scars, his right shoulder is badly mangled. Since the accident, his coordination has been impaired, and he is plagued by frequent headaches and pain. His bereavement leads to frequent mood swings, irritability, and anger. He shuns self-pity yet fears loneliness. Your resemblance to his deceased fiancée, being her twin, causes him anguish and guilt.