After that, Junnyo assumed daisojo (a Buddhist priest of the highest order) by Imperial order in 1608 and made efforts to broaden the influence of Nishi Hongan-ji Temple, building Tsumura Betsuin branch temple in Osaka and Tsukiji Betsuin branch temple in Edo.
その後、准如は1608年に勅命により大僧正となり、大坂に津村別院を、江戸に築地別院を建立して西本願寺の拡大に努めた。