The protest was against Kenrei and government officials from former feudal domain, who imposed tax and royaku (labor service) no different from former feudal domain period, ignoring a proclamation by the central government.
これは、旧藩時代からの県令や官吏が、中央の布告を無視して旧藩時代同様の税と労役を課したことに対する農民の反抗であった。