Rindo Shinobu, the 15th Iemoto of Nindo Shinka-ryu, said that the power of ninja was unnecessary in a peaceful world, and together with the 14th Iemoto, sealed all the techniques, the Yang ball and the Indama. However, Gensai, who doesn't like it, steals the secret ball and revolts. In order to defeat Gensai, Shinobu confronts him, but...
