Shōnen Onmyōji (少年陰陽師, Shōnen Onmyōji?) 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 18 volumes, including 3 short stories and a side story. A manga acting as a gaiden is being serialized in Beans Ace.
There’s also a series of drama CDs, a PlayStation 2 game and a manga adaptation that was announced in 2005 and a musical as well. Moreover, it was announced in August 2006 in Newtype that the anime adaptation is going to be animated by Studio Deen and the character design was to be done by Shinobu Tagashira. Later, it began its broadcast on October 3, 2006.
The anime also premiered on Animax under the title, Shonen Onmyoji: The Young Spirit Master. It was aired across its respective networks worldwide, including Hong Kong and Taiwan, also translating and dubbing the series into English for its English language networks in Southeast Asia and South Asia, and other regions.
The anime was licensed for North American distribution by Geneon Entertainment. However, only two volumes of the series have been released, and have yet to receive a full release due to Geneon's departure from the American market. On July 3, 2008, FUNimation announced that it had struck a deal with Geneon to release several of their licenses, including Shōnen Onmyōji..