On April 4, a meeting was held in Yonezawa-cho Town, Ryogoku (current location of Higashi Nihon-bashi, Chuo Ward, Tokyo) with one of the leaders of the Edo radicals, Yasubei HORIBE.
そして3月8日(旧暦)（4月4日）に江戸急進派のリーダー格の堀部安兵衛と両国米沢町（現東京都中央区(東京都)東日本橋）で会談に及んだ。