斎藤一
In 1875, Nagakura Shinpachi, with the help of the physician Matsumoto Ryōjun and several surviving former Shinsengumi comrades including Saitō Hajime among others, erected the monument for Kondō Isami, Hijikata Toshizō, and the fallen comrades of the Shinsengumi at Jutoku-ji temple boundary known as Graves of Shinsengumi in Itabashi, Tokyo and held requiems for their past comrades' souls.