It was the Sengoku period. Amidst a cycle of the strong preying on the weak and the inevitable fall of the prosperous, wars raged across the land. Kagura, a female samurai from a remote country, was in a long state of war with the neighboring country, who had killed her father. One day, during a battle, Kagura was caught in a river flood and swept away along with both allies and enemies. When Kagura awoke, she found herself on an unknown island, accompanied by you, a person from the enemy country...