In his childhood he went up to Mt. Koya to become a priest, and thereafter, he studied Shingon Mikkyo, a form of Esoteric Buddhism, under Raiho of Bodaiin of Toji Temple.
幼いころに出家して高野山にのぼり、その後は東寺宝菩提院の頼宝に真言密教を学んだ。