On October 24, 1619, at the age of 16, he entered into the priesthood (Tokudo) lead by Manyo Sonsho as Kaishi (the priest who imparts the Buddhist commandments), and became a Ryojun.
元和5年9月17日（1619年10月24日）に16歳で満誉尊照を戒師として出家・得度を行って、良純と名乗る。