After the Hogen War, he privately established a subordinate-superior relationship with the Taira clan (TAIRA no Kiyomori and TAIRA no Yorimori, who were successively appointed Dazai no Daini [Senior Assistant Governor-General of Dazai-fu, the second highest rank official of Dazai-fu]).
保元の乱以降、大宰大弐（大宰府の第二等官）に続けて任官した平氏（平清盛、平頼盛）と私的主従関係を結ぶ。