A Japanese Onry, who lived during the Sengoku period of Japan. Over 450 years ago, a band of renegade soldiers led a raid on Hisako's village and her father, a former samurai, is cut down attempting to stop them. In her rage, she takes up his naginata and takes his place, killing many of the enemy troops in the process. Though she too is killed, her sacrifice motivates the other villagers to successfully drive back the invaders. A shrine is erected in her honor, where she is laid to rest. However, in the present, her grave is disturbed by the presence of an organization, awakening her spirit, and she ventures forth to seek vengeance on those who disturbed her rest.