Shōnen Onmyōji(少年陰陽師) is a light novel authored by Mitsuru Yūki and its illustrations done by Sakura Asagi. The novel is currently serialized in Kadokawa Shoten's The Beans. The light novel currently has 25 volumes, including 3 short stories and a side story. A manga acting as a gaiden is being serialized in Beans Ace.