Myoryu learned religious precept from 岱梁 at Choan-ji Temple in Mino Province, and received Shidokagyo (four trainings) of Shingon Esoteric Buddhism at the age of 15.
美濃国長安寺の岱梁に戒律を学び、15歳で真言密教の四度加行（しどかぎょう）を受けた。