At this time in Kyoto, an incident involving wooden statues of Ashikaga shogun for three generations being beheaded and heads gibbeted had occurred, and disciples of Hirata Kokugaku (the study of Japanese classical literature by the Hirata school) were arrested as offenders.
ちょうどこの時に京都では足利三代木像梟首事件が起き、犯人として平田国学門人らが捕縛された。