He was an onmyoji (master of Yin yang) who resided at Ichijo-dori Horikawa-dori in Heian-kyo (Kyoto), and was an authority on the magical art of warfare called Rikuto-heiho.
平安京の一条通堀川通に住んだ陰陽師で、六韜（りくとう）兵法という呪術兵法の大家。