The Fourth Regiment (Sakuzaemon FURUYA): the First Battalion (Kakushinsai NAGAI, five platoons, Shoho-tai), the Second Battalion (Shintaro AMANO, five platoons, Shoto-tai).
第四列士満（古屋佐久左衛門）：第一大隊（永井蠖伸斎、5個小隊、衝鋒隊）、第二大隊（天野新太郎、5個小隊、衝鋒隊）