Jubei-chan: The Ninja Girl

The Birth of Yagyu Jubei II (1x1)

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Jiyu Nanohana, a fourteen-year old junior highschool student who attends Hontsuru Jr.High unexpectedly meets Koinosuke Odago, an assistant of Yagyu Jubei who has searched 300 years for a worthy successor for the Lovely Eyepatch. He implores Jiyu to accept the Eyepatch but she steadfastly refuses.