In this world, being a fighter is a sign of being strong, brave, and wanting to become the best you can be. In a fight, it’s about beating your opponents and rivals in a fair fight. Whether it's a normal karate fight/tournament or an all-out battle using powers and abilities. These fighters fight one another to prove who is the best, to become stronger, and to push themselves to do better.
Leo is born to be a fighter and a simple teenager who loves life along with his friends, family, neighbors and allies. He’s a fighter who loves the thrill of a fight and fights strong people to become stronger for himself.
Along the way, he, his friends, and others learn of many evils and villains that threaten their peaceful lives and the lives of others. But one evil group wants more than to cause chaos. They want to rule over the world and control everything. For their lives to be peaceful, the main character and others must stop the many evils that come their way.