In 1863, accepting Hachiro KIYOKAWA's suggestion, the Edo bakufu (Japanese feudal government headed by a shogun) recruited participants of the 'Roshigumi (Ronin Corps),' which was an organization consisting of ronin, or lordless samurai, for guarding the 14th Shogun Iemochi TOKUGAWA on the way to the capital.
文久三年（1863年）、清河八郎の建策を容れ、江戸幕府は14代将軍・徳川家茂の上洛警護をする浪士組織「浪士組」への参加者を募った。