Zettai Hero Project... Engage! You, the protagonist, were on your way back from the neighborhood convenience store, when you witnessed a fatal traffice accident! The victim handed you a strange-looking belt before taking his last breath. That belt was the morphing belt needed to turn into the Absolute Victory Unlosing Ranger!
You weren't given just the belt! The fate of the universe now rests in your hands, as the final boss, Darkdeath Evilman, plots to destroy the world! There's no time left before the decisive battle is set to begin! You became a hero entirely on a whim, but the final boss battle is already here!