Before this rampage, Kakuban lamented the situation of Shingon sect followers who had turned to power mongers, practiced mugon no gyo (the discipline of not talking) for a long time in Mitsugonin Temple, and right after that, he wrote Mitsugonin Confession at one stroke.
この凶行より前、覚鑁は権力の亡者と化した真言宗門徒の有り様を嘆き、密厳院において長期に渡る無言行を修し、直後に密厳院発露懺悔文を一気に書き上げる。