However, Otsu was equal with Kusakabe in line of descent, excluding Naga no miko and Imperial Prince Toneri, and his political participation meant that Kusakabe's right of succession to the Imperial Throne, which had been tentatively certain, was almost lost.
しかし、当時まだ年少だった長皇子・舎人親王等を除けば、血統的に草壁と互角だった大津の政治参加は一応は明確になっていた草壁への皇位継承が半ば白紙化してしまった事を意味した。