Jubei-chan the Ninja Girl: Secret of the Lovely Eyepatch Jubei-chan the Ninja Girl: Secret of the Lovely Eyepatch My Next Enemy is Yesterday's Ally 1999
In order to release Jiyu from the burden of becoming Yagyu Jubei and being targeted by the Ryujoji, Shiro challenges her to a duel. Later, Jiyu meets a Ryujoji assassin, he explains their 300-year old grudge and goal to her.