TACHIBANA no Naramaro planned to overpower FUJIWARA no Nakamaro and to enthrone and dethrone the emperor; however, the coup did not succeed due to its exposure by a force of betrayal.
橘奈良麻呂が藤原仲麻呂を滅ぼして、天皇の廃立を企てたが、密告により露見して未遂に終わった。