After entering the Buddhist priesthood, he resided at Daian-ji Temple in Nara where he studied Shingon Esoteric Buddhism under Shinga and put great effort into the administration of Mt. Koya following Kukai's death.
出家後奈良大安寺に住し、真雅に師事して真言密教を学び、空海の没後の高野山の経営に尽力した。