Kamiyama is a troop member of the Shinsengumi 1st Division, under the command of Captain Okita Sougo. He was in the same team led by Okita that charged into the Rokkaku hotel in a surprise raid of the Joui hideout, but ended up slaying Rokkaku Muneharu, the owner of the hotel and father of Kirie, when the hotel owner turned out to be in cahoots with the Joui rebels.