According to the report from Nobumitsu TAKEDA mentioned in the section of February 21 of "Azuma Kagami," Kagetoki tried to rise in revolt by supporting Ariyoshi TAKEDA for the shogunate, saying that he was appointed as general commander of the provinces in Kyushu by the Imperial Court.
『吾妻鏡』正月28日条の武田信光からの報告によると、景時は朝廷から九州諸国の総司令に任命されたと称して上洛し、武田有義を将軍に奉じて反乱を目論んだという。