In his childhood, he went to Mt. Hiei to study exoteric Buddhism and Esoteric Buddhism under the Sojo (high-ranking Buddhist priest) Ensho (a priest), who was a Tendai-zasu (head priest of the Tendai sect).
幼い頃に比叡山に上り、天台座主延昌(僧)僧正に師事して顕教・密教を学んだ。