In 767, he became Dazai no daini (Senior Assistant Governor-General of the Dazai-fu offices), and the Usa Hachiman-gu Shrine oracle plot occurred before he became Minbu shoyu (Junior Assistant Minister of Popular Affairs) in 770, but it was unknown how he was involved in the plot.
神護景雲1年（767年）、大宰大弐に転じ、宝亀1年（770年）に民部少輔となるまでの間に宇佐八幡宮神託事件が起きているが、どのように関わったのかは不明。