Which country is the teacher of Yin and Yang from?

Yin and Yang teachers originated in China and are widely popular in Japan. Its unique spell "Yin and Yang Dao" is a part of Japanese Shinto. People are well aware that invisible forces, such as fate, soul and ghost, have the ability to dominate these things. Their activities are sacrificial rites, divination, calendar revision and official duties (auxiliary politics), and their representatives are Abe Seiming, Lu Wudao Man, Guan Le monk Zheng.

Master of Yin and Yang is a wizard who has mastered Yin and Yang, knows how to look at the stars and face people, also knows the direction, knows the disaster, recites spells and performs illusion.