10th Century. There were two men in the Heian-kyo. the Great Onmyoji "Abe no Seimei." and nobleman "Minamoto no Hiromasa" blessed by the Spirit of Music.

Onmyouji is an adaptation of Baku Yumemakura's novel of the same name. It won the 37th Seiun Award in the manga category in 2006.