Shounen Onmyouji, lit. young Onmyouji

Shounen Onmyouji(少年陰陽師), lit. young Onmyouji, is an animation about the story of one of the most powerful Onmyouji(a profession good at all destiny, knowledge and knowing how to use them, similar to wizard in other country): Abe no Seimei (安倍 晴明)'s grand son: Abe no Masahiro(安倍昌浩).

introduction
an excellent wikia of Shounen Onmyouji