Onami passed the position of master to his child, Masamori KANZE, in 1458 when he became sixty years old, and entered priesthood with the homyo (Buddhist name) of 'Onami.'
60歳を迎える長禄2年(1458年)頃には子の観世正盛に大夫の座を譲って出家し、以後法名の「音阿弥」を名乗る。