Reiko is a scooter bike otaku, she has an extensive amount of knowledge on scooters of all makes and models. Her father is a city councilman and her mother runs a company and both live in Tokyo. Because of that Reiko lives by herself in a vacation log house at the Mukawa area of Hokuto. Reiko has excellent grades and is good at sports, but despite that her only interest is Cubs for which she is an extremely knowledgeable enthusiast