In "Azuma Kagami" (the Mirror of the East), a history book assumedly compiled in the last years of the Kamakura bakufu from the viewpoint of the tyrannical Tokuso (head of the Hojo clan), the progress of the incident is described as follows:
鎌倉幕府後期に得宗専制の立場から編纂されたと見られる後代史書吾妻鏡によれば事件の経過は以下の如くである：