Oama no miko (later, Emperor Tenmu), who was to open the war, sent a messenger on June 22, before went into the action by himself, to OO no Honji, the Yunonagashi, in Ahachima no Kori (later, Anpachi Gun) to order him to raise the army and block the Fuwa no Michi.
乱を起こした大海人皇子（後の天武天皇）は、自ら行動を起こす前の6月22日に使者を出し、安八間郡（後の安八郡）の湯沐令の多品治に兵を挙げて不破道を塞ぐよう命じた。