In the intercalary second month in 1181, it was planned that Munemori, himself, would go as a search-and-destroy envoy to Kanto and 'most samurai of the family will leave for the local (Source: Article for February 26 in "Gyokuyo"),' but as Kiyomori's illness worsened to 'no hope in nine cases out of ten' and the dispatching of the army was postponed. (Source: Article for the first day of the intercalary second month in "Gyokuyo").
翌閏2月には、関東への追討使として宗盛が自ら出馬して「一族の武士、大略下向」する予定だったが（『玉葉』2月26日条）、清盛の病が「十の九はその憑み無し」という状況となり派兵は延期となる（『玉葉』閏2月1日条）。