Furthermore, the emperor's stay from May, 842 within a lot of Reizei-in Palace, where the Imperial Prince Tsunesada was living at that time, by reason of the Imperial Palace's repair also supports the theory, because troops serving the emperor that had been staying in the residence on the pretext of the emperor's guard were ready to besiege the crown prince.
同年4月以後内裏の修理を理由として天皇が当時恒貞親王が居住していた冷然院内に滞在しており、天皇の警護を名目として院内に滞在していた天皇側の兵が、いつでも皇太子を囲むことが出来る状況下にあったことも挙げられる。