Jin Freecss, the valiant hunter. It is to meet the father he has never seen that Gen decides to become a hunter. He successfully passes all the trials of the very difficult exam and finally becomes a hunter. In search of clues left by his father, Gen, accompanied by Kirua, acquires Greed Island in York Shin City, the legendary game specialized for hunters. They enter the game created by Jin and his companions but quickly realize that not everything is as easy as it seems.