This is an issue game of "Bushi Life" #3, depicts the Battle of Bubaigawara, a samurai battle between Nitta Yoshisada and Hōjō Yasuie on May 15 and 16, 1333. This battle was a part of the decisive Kōzuke-Musashi Campaign during the Genkō War in Japan that ultimately ended the Kamakura Shogunate. https://en.wikipedia.org/wiki/Battle_of_Bubaigawara

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