Yoriyasu SHIMOMA, a boukan (a priest who served for the Monzeki families) of Ishiyama Hongan-ji Temple, publically talked about 'The concept of Shimoma bakufu' in which the chief priest of Hongan-ji Temple was to be the Emperor and the Shimotsuma clan, who hereditary succeeded the boukan of Hongan-ji Temple, was to be the Seitaishogun (commander-in-chief of the expeditionary force against the barbarians).
石山本願寺の坊官である下間頼康は、本願寺の門主を天皇、代々本願寺の坊官を世襲してきた下間氏を征夷大将軍とする「下間幕府構想」を公言している。