Shoshu also founded Shingon-in Mantra Hall, Shingon-in kanjodo (a hall for Esoteric consecrations of Shingon-in), and Seinan-in in a bid to revive Shingon Esoteric Buddhism.
真言院・真言院灌頂堂・西南院を創建して真言密教の復興を図った。