He successively held the post of Risshi (the third rank of priest following Sojo and Sozu), Shosozu (junior secondary prelate), and Daisozu (the upper Buddhist priests in the second highest position), then became the first Kai-wajo (the supreme priest to impart precepts) of the Kaidan-in in 763.
律師・少僧都・大僧都を歴任し、763年（天平宝字7年）には戒壇院の初代戒和上に就任している。