Meanwhile, the political maneuvering by the Ibaraki Prefecture side was advanced, and the maneuvering to conciliate Yonosuke was also attempted by presenting the alternate plan to change the prefectural border around Sawara to the Yokotone-gawa River which was to the north of the mainstream of the Tone-gawa River.
その間にも茨城県側の工作は進み、庸之助に対しても佐原付近の新県境を利根川本流より北側の横利根川にするなどの懐柔工作が図られた。