Ninja Shinka-ryu, the 15th Iemoto, Ryuji Shinobu sealed all the techniques, Yodama and Hiddentama with the 14th Iemoto, saying that the power of shinobi was unnecessary in a peaceful world. However, Gensai, who doesn't like it, steals a hidden ball and causes a rebellion. Shinobu confronts Gensai in order to defeat him ...
