In March 1867, ITO and his group, due to differences in ideology, were assigned the post of Goryo Eji and separated from Shinsen-gumi, but were purged by Shinsen-gumi in November of the same year.
慶応3年3月、伊東らの一派は思想の違いなどから御陵衛士を拝命して隊から分派するが、同年11月、新選組によって粛清される。