Hoshi no Toride: Hakodate Shinsenki Bangaihen, Oyako Tsuru
星のとりで～箱館新戦記～ 番外篇・親子鶴
Isamu Kondo was a member of the Shinsengumi and a close companion of Toshizo Hijikata, with whom he spent much of his time. The story explores the events of his later life.
