The latest battle between the voluptuous ninja girls in training at Hanzo National Academy and their evil Hebijo rivals left Yagyu critically wounded. Feeling responsible for her mentor Yagyu's injuries, Hibari decides to go solo and seek revenge against their foes. Upon infiltrating the enemy's headquarters, Hibari learns that she has more in common with her foes that she ever imagined. Hibari never truly fit in amongst her classmates at Hanzo. Instead of vengeance, has she discovered a new home?