Many of the believers of the Fujufuse School concealed themselves in Kazusa Province, Shimofusa Province and Awa Province, which had been Nichiren's home turf and Bizen Province and Bicchu Province (Okayama Domain) where Nichiren Sect believers had increased in the Muromachi period.
不受不施派の信者は日蓮の地元であった上総国、下総国、安房国や室町時代に日蓮宗勢力が拡大した備前国、備中国（岡山藩）に多く潜伏していた。