Iwarehikono Mikoto, a descendant of the sun god in his understanding, realized that fighting against the sun (against the east) was against God's wishes, and decided to withdraw his troops.
磐余彦は日の神の子孫の自分が日に向かって（東へ）戦うことは天の意思に逆らうことだと悟り兵を返した。