Rui Kamishiro is an 18-year-old roboticist. Despite his teasing personality, Rui is kind and selfless, often helping those in need. He dislikes the government and their use of technology to control the people, believing it should be used for good. Rui has pale skin, yellow eyes with red eyeliner and short, choppy purple hair with two cyan streaks. He wears a white retro windbreaker over a black bodysuit with black gloves and a black mask covering the lower part of his face.