He entered the Buddhist priesthood as Shanagyo-gakusei (a learned monk who majors in Esoteric Buddhism) and according to the regulations, he practiced Rozan-shugyo for 12 years (ascetic practices of confining oneself in a temple for 12 years).
遮那業学生（密教専攻の学僧）として得度し、規定により12年篭山修行を行った。