However, when the new government army won and the battles in the Tohoku region calmed down, the shoseito members who had left the Mito Domain went back to the Mito Domain, which was governed by the Tenguto, and attacked the Mito-jo Castle (the battle of Kodokan school).
しかし、東北での戦線が新政府軍勝利の形で沈静化すると、敗走した一行は天狗党が政権を握った水戸藩へ舞い戻り水戸城を奇襲した（弘道館戦争）。