After the founder of the Sect, Nichiren died, in the Mausoleum, a rotation system was organized by six disciples, however five disciples other than Nikko refused to do this routine due to the unsecured situation in wars or plagues, propagation in distant areas, and so on.
宗祖日蓮滅後、廟所の六弟子による輪番制が敷かれたが、戦乱や疫病、遠方の布教活動を理由に日興以外の五弟子が輪番制を放棄。