When the foundation of a Kaidan was approved of in 823, he lived in seclusion at Yamada-dera Temple, but was called out by Emperor Junna and was then actively involved in the national political arena..
823年（弘仁14年）に戒壇の開設が勅許されると山田寺に隠棲したが、淳和天皇に召し出され、その後も中央政界で活躍した。