However, he could not be the next emperor after the Emperor died, because Empress-consort Uno-no-Sarara had so much power that she declared that her son, Prince Kusakabe, should be appointed the next emperor.
He could not be the next emperor. This is because Empress. This is however. The Emperor died. Her son should be appointed the next emperor. This was what she declared. Consort Uno-no-Sarara had so much power this. Prince Kusakabe was her son.