A hero invented by mistake experiment the hero is "Tiger Mask" his father made a mistake by doing experiment on tiger blood and gama radiation mixed and doing test on him. When he was in a age of 10 he knowed about his power, but he didn't know the tragedy story behind it. His mother died in a accident when he was 5. Now come a demon with the greedy to conquer the world and rule it, he was called "Gladiator" for his powers he have.