A second-year high school student at Yuigaoka (2nd generation). Appearance: Blonde hair with a pink gradient and pink eyes. Height: 152cm. Blood Type: AB. Birthday: August 7th. Personality: A cheerful tomboy with a kind heart, though she changes completely when money is involved. She is actually the CEO of Oninats Co., Ltd. She has a younger sister named Tomari Onitsuka. Her home is not in Tokyo, but in Ushiku, Ibaraki Prefecture. She commutes from Ushiku to Yuigaoka in Tokyo with her sister Tomari. She ends her sentences with "desu-no." She speaks casually to people she likes.