What does the original work of Yin Yang Shi's radio play say?

It tells the story of Abe Harumi, the most famous teacher of Yin and Yang in heian period. According to the hermit's information, Yin Yang Shi is a radio drama from ancient times to the present, that is to say, there is no CP in it, which tells the story of the most famous Yin Yang Shi in Heian period of Japan.