When the world's fate is at stake... a new breed of warriors will come..." Explorers, one of the groups of selected best fighters in the entire universe... who are called on and sworn to help restore and preserve what is left on the planet's surface and protect mankind from further devastation and chaos in hands of the invaders. A group of legendary warriors called Explorers are King Jethro's guardians, servants, and protectors of human world and the entire universe. But only fourteen chosen men are entrusted by the king of gods to become the possessors of his long-lost elements to save the world from tribulation, disorder, and chaos. Kenji, Claude, and Shingue start their real-life adventures together after they finished their long training in a famous martial arts school. With Valerie, the four reach Sierra Village and they stay there for a while when Shingue receives a call from the Explorers. When Kenji and Claude meet the Explorers, the group challenges them to take their tests in order for them to become a part of their group. And this is how their story begins...