At the same time of raising the army (at the beginning of the Jinshin War), Oama no Miko (Oshiama no Miko or Prince Oama who became Emperor Tenmu following the victory in the war) who set off the Jinshin War left Yoshino no Miya (Yoshino Palace) to the east and first controlled Mino Province and Ise Province, then he sent messengers to gather soldiers in Yamanomichi (Tosan-do Road) and in Umitsuji (Tokai-do Road).
壬申の乱を起こした天武天皇は、挙兵の決断と同時に吉野宮から東に逃れ、美濃国と伊勢国を固めてから、東山（東山道）と東海（東海道）に兵力動員を命じる使者を派遣した。