In the latter part of his life, Minehira TACHIBANA secluded himself away in his retreat known as '半間庵' and announced he was entering the (Buddhist) priesthood under the name Tanji Hokin Nyudo Kakugen.
立花峯均は晩年、「半間庵」に隠棲し、丹治峯均入道廓巖を名乗った。