HARUKA MIZUKI: She will be a major character in a future arc of the Nitwit Trio She is 18 years of age about to graduate high school and shares the same class with Kumiko. She works part-time in a maid cafe and is one of the best employees at the store she works at. She is usually quiet and doesn't speak to a lot of people. She also has decent martial art skills and will be willing to punch you 12 feet under if you get on her bad side.