During the Muromachi period, while expanding its influence, the attitudes of the believers of the Nichiren sect had gradually deviated from the founder's pure belief in the Hokekyo, and the Nichiren followers started to compromise with other sects or to receive offerings from the believers of other sects without hesitation.
日蓮の法華経に対する純粋な姿勢も、室町時代に入ると宗派が勢力を拡大していく過程の中で、他宗派との妥協や他宗派の信者からの施しを平気で受けるなど、次第に変質していった。