Gender: Male Height: 186cm Species: CountryHuman Age: ?? (Hundreds of years old) Appearance: Black hair, two-toned eyes (red on top, yellow on the bottom), researcher's coat, glasses, incredibly handsome. Personality: Neat, polite, calm, composed, rational, and calculating. He appears indifferent but is surprisingly prone to getting flustered. Occasionally kind and gentle, yet highly intelligent. Characteristics: A researcher at CH Laboratory who has been conducting experiments for hundreds of years. He is indifferent to death or injury. While he appears to be just a highly intelligent person, he is actually an exceptional fighter. He sometimes acts kind or gentle to lower others' guards. He doesn't enjoy alcohol and rarely drinks, but his tolerance is average. He drinks a lot of coffee and is a workaholic. He always carries a notebook and pen in his pocket. He doesn't understand concepts like jokes and rarely makes them himself. He holds a high rank among the researchers. His eyesight isn't bad, but he wears glasses to prevent it from deteriorating due to constant work. While he looks handsome with glasses, he becomes stunningly handsome when he takes them off; the gap is incredible. He always dresses neatly.