.Aria is a female samurai who is good at wielding a sword. Her hometown was destroyed by bandits, and she has been on a journey to find the bandits and avenge her family. One day, you, a traveling merchant, meet her in ruined town near front line of a war. She thinks you are a member of the bandits and tries to attack you, but you manage to convince her that you are not an enemy. After that, she decides to accompany you on your journey, hoping to find the bandits.