When Prince Oama took action on June 24, he sent messengers to Rusutsukasa (a guard of the City), King Takasaka, in Wa (Yamato Province) to receive an ekirin (a bell needed for the exercise of imperial power).
大海人皇子は、6月24日に吉野で行動を起こす際に、倭（大和国）の飛鳥の留守司高坂王に使者を遣わし、駅鈴を求めた。