The Ryoto Tetsuritsu was conducted smoothly for a while, however the Imperial lines started to divide within the each Imperial line at the end of the Kamakura period, the situation was getting confused in terms of sharing the throne.
しばらく両統迭立は順調に行われていたが、鎌倉時代末期になると両統の内部で皇統分裂が見られ始め、迭立の混乱が生じてきた。