In 1941, it was united with the Kenpon Hokke Sect of Shoretsu School and the Nichiren Sect of Icchi School in order to form the better organization, the Nichiren Sect, which was composed of major and branch temples of various schools of Shoretsu School and Icchi School.
1941年（昭和16年）勝劣派の顕本法華宗、一致派の日蓮宗とともに三派合同を行い、勝劣派、一致派の諸門流の本山末寺からなる日蓮宗に発展解消。