Kai Takamori has been sent back in time to the warring states of Japan. However, most generals and other historical figures he know are female. Dropped in the battlefield in Northeast of Kyushu, he has to fight for survival in this weird and war-torn country.

Oda Nobuna may have the ambition to unite Japan with the help of her monkey that came from the future; however, an unexpected clan seems to have the same idea as them. Join Kai Takamori as he ventures out as he holds his own ambition together with Otomo Sorin.