Ōuchi clan
The military establishment of the Ōuchi resented Yoshitaka's apparent "weakness" and his plan to settle the imperial court in Yamaguchi — such a move would see privileges accorded to the courtiers and undermine their own standing within the Ōuchi clan. In September 1551, the faction led by Sue Harukata revolted and attempted to take over the Ōuchi clan. With the control of troops in Harukata's hand, it was over in few days—the courtiers and ministers were massacred and Yoshitaka was forced to perform seppuku at the Tainei-ji Temple (大寧寺) in Nagato Province after composing his death poem: