In peaceful town and villages, when people are having steady live, there is an evil power slowly awaken…
Strange stones show up in mountains, and numerous released to attack villages near the mountains.
Instantly, peaceful life of villagers turns to fearful and escaping nightmare...

At the time...there is shining flash shows in the forest. Monsters slashed by this wind-like swift shadow one by one. Traveling Ascetic Ninja "Kagemaru" repelled monsters chased after villagers one by one.

 

Ninja Kagemaru feels strage that the city didn't send soldiers or samurai to assist villagers for fighting these monsters.
At this time, he finds that soldiers, samurai and resident of city are fainted because of the evil power. And this evil power which makes people lost consciousness is flowed out from city continuously.
Kagemaru decide to eliminate these monsters and find out the origin of evil power.