However, on March 12, the same year, Masatsune NAKAHARA, Motokiyo GOTO, and Yoshinari ONO, all of whom were retainers of the Ichijo family (in the lineage of the Nakamikado family), were suddenly arrested for attempting to attack and kill Michichika TSUCHIMIKADO.
ところが、2月14日(旧暦)（同年3月12日）に、突然一条家(中御門流)の郎党であった中原政経・後藤基清・小野義成が土御門通親の襲撃・暗殺を計画したとして拘束された。