Kaoru Kurimoto (栗本 薫, Kurimoto Kaoru, February 13, 1953 – May 26, 2009) was the pen name of Sumiyo Imaoka (今岡 純代, Imaoka Sumiyo), a Japanese novelist. Imaoka also used the pen name Azusa Nakajima (中島 梓, Nakajima Azusa) to write criticism and music. She was known for her record-breaking 130-volume Guin Saga series, which has been translated into English, German, French, Italian and Russian. Her style has been described as being part of the New Wave science fiction movement. Outside of her literary endeavors, she was a playwright, composer, and pianist who performed with her own jazz ensemble, the Azusa Nakajima Trio.