Later, he purchased Kameyama-jo Castle (Tanba Province) to use as a base, and along with Ayabe, of the religious organization, spread his teachings by buying the Taisho Nichinichi Shinbun to take part in speeches, but in 1921, he was arrested in the first Omoto jiken (incident).
その後、亀山城(丹波国)を買収して綾部と並ぶ教団の本拠地にし、大正日日新聞を買収して言論活動に進出するなど教勢を伸ばすが、1921年、大本事件第一次大本事件で検挙。