Particularly in Kozuke Province, the uprising that occurred in Tago County on March 15 (表記の変更) involved surrounding areas and increased its force, and Yoshii Domain, Nanukaichi Domain and Obata Domain 'surrendered' to the uprising force one after another.
特に上野では2月22日に多胡郡で起きた一揆は周辺を巻き込んで拡大し、吉井藩・七日市藩・小幡藩は次々と一揆軍に「降伏」した。