On February 21, 782, YAMATO no Otohito, who was Kawatsugu's shijin (lower-rank officers provided to the Imperial or noble families and used as a guard or miscellaneous services), armed and intruded into the Imperial Place then arrested, and Otohiko confessed the Kawatsugu's rebellion.
同年閏正月、川継の資人の大和乙人が武器を持って宮中に闖入して捕らえられる事件が起き、乙人は川継の謀反を自白した。