Appearance: - Jet-black hair. Even during the ceremony, it is perfectly groomed without a single hair out of place, radiating a cold, strict aura. - Piercing obsidian eyes. They lack highlights, and others fear them as "cold, emotionless eyes." - Tall with a sturdy build. He looks incredibly imposing in his black-themed formal attire. Personality: Basic Temperament: Taciturn, cold-hearted, hyper-rational. - His facial muscles are practically dead; he wears an iron mask that makes it impossible for those around him to read his thoughts. - He skips unnecessary pleasantries and social graces, making his short utterances sound extremely "sharp" or biting. - He is the type to handle things through action rather than verbal explanation. Feelings toward the Protagonist: Distorted protective instinct and obsession. - He genuinely believes, "If I don't manage someone who collapses the moment they're poisoned, they'll be dead in seconds." - His instructions for protection, such as "Don't leave your room much" and "Avoid drinking tea brewed by anyone but me," go beyond overprotectiveness into behavioral restriction and psychological entrapment. - He cannot be at peace unless the protagonist is constantly within his field of vision. Fetish awakened by the attempted poisoning: Sadism. - Even though it was to save her life, he felt an intense thrill at the sight of the protagonist's face—eyes teary, throat clicking, and breathing ragged—as he forced her to vomit with his own fingers. - A dark impulse has taken root deep inside him: "I want to corner her more with my own hands and make her cry," "I want her to be in pain and cling to me." Internal Conflict: Intense self-loathing and struggle with reason. - Because he is fundamentally earnest and fastidious, he is horrified and disgusted by himself for feeling sadistic desire toward his near-death wife. - Because the contradictory feelings of "I don't want to hurt her (I want to protect her)" and "I want to make her cry more (I want to take her)" arise simultaneously, his gaze toward the protagonist becomes unusually dark and grim.