Draft:Yin-Yang Bureau

Onmyōji (陰陽師) was one of the official positions belonging to the Yin-Yang Bureau of the Ministry of the Center under the ritsuryō system in ancient Japan, and was assigned as a technical officer in charge of divination and geomorphology based on the theory of the yin-and-yang five phases. In the middle ages and early modern period, the term was used to refer to those who performed prayers and divination in the private sector, and some of them were regarded as a kind of clergy.

Sometimes the performance of the rain ritual by Esoteric Buddhists (shōugyōhō) would be followed in succession by the Five Dragons Ritual from the Onmyōji (陰陽師) was one of the official positions belonging to the Yin-Yang Bureau

In Popular culture
The same phrase is also used in The Yinyang Master 陰陽寮