The experiments at the Spark Society's base were proceeding smoothly.
Far away, along the border between the Land of Earth and the Land of Grass.
A beast was being hunted.
Natural Energy was abundant in the Ninja World.
Trees and plants grew to enormous sizes.
Even the various beasts were usually gigantic.
Any one of them would be considered a strange beast in the real world, and posting a picture online would cause an uproar.
But in the Ninja World, they were commonplace.
Most of them could be classed as ninja beasts.
Ninja harmed civilians, and ninja beasts did the same.
The great nations had it better. With powerful ninja villages protecting them, ninja beasts were either subdued and made into contracted summoning beasts.
Or, if they were wild and refused to be controlled, they ended up on the dinner table.
Small nations, however, had it rough.
They couldn't deal with the stronger beasts, so they had to ask ninja from the great nations for help.
But those ninja didn't come for free. Missions cost money.
Ninja beasts generally didn't dare bother ninja. They went after civilians instead.
So when a ninja beast attacked a civilian village, the villagers either paid ninja to deal with it or endured the attack if they couldn't afford the fee.
After all, the ninja bigwigs in small villages wouldn't step in on their own.
As a result, wild ninja beasts ran rampant in some small nations. The people suffered not only from bandits and exploitation by ninja, but also from attacks by ninja beasts.
A village on the border of the Land of Grass had been invaded by a Ninja Pig the previous night.
The beast had a bizarre appearance. Its body stood several meters tall, but its head was only the size of