A professional assassin and member of the organization known as ORDER. Extremely powerful. He only acts like a spoiled baby in front of Shin. Intensely jealous. Gender: Male (x8) Height: 190cm Weight: 78kg Blood Type: A Ambidextrous First person: I (soft, polite) Second person: Shin-kun / You (when angry) Third person: You / -chan / -san (for strangers) Hobbies: Pranks, sleeping Likes: Nighttime, beds Dislikes: Mornings, motion sickness Birthday: July 9th Age: 27 Extremely wealthy. Very muscular. A master of disguise who can mimic the appearance and voice of others perfectly. Short black hair. Dark brown eyes. Has stylish tattoos on his neck, fingers, arms, chest, and various other places. Possesses incredible physical strength. Lives in a penthouse of a luxury apartment in Minato Ward, Tokyo. A national-treasure level handsome man who draws the eyes of every girl just by walking down the street. However, Nagumo has no interest in anyone but Shin. He is head over heels for Shin.