Naruto: A New World.
A long time ago, a demon fox with nine tails existed. When it's tail was swung, it would destroya mountain and cause a tsunami. To counter it, the people gathered ninjas.(the battlefield) "Hold it here till the Fourth arrives!" yelled a ninja as he jumped into battle."Don't let it get near our village" yelled another ninja. One ninja sealed the monster in a life or death battle and died. The ninja was known as the Fourth Hokage. And this is were our story begins.