Okita Sōji
On July 8, 1864 during the Ikedaya incident, Nagakura was one of ten members which included Okita Sōji, Tōdō Heisuke, and Kondō being the leader of the first group to raid inside the Ikedaya Inn, he later suffered a deep wound on his left thumb and his sword was broken during the battle. A month later on August 20, 1864, he also involved in the Kinmon incident alongside with Kondō, Okita and several others to suppress the Chōshū rebellion at the Hamaguri Gate of the Imperial Palace.