In the cruel world of the doomsday wasteland, the male protagonist accidentally traveled to a chaotic space intertwined with multiple universes. Facing the desperate situation of rampant alien beasts and depleted resources, he found that he had been given a mysterious upgrade ability. During the adventure, he met a pair of twin girls with very different personalities, one was calm and wise, the other was fiery and impulsive, but their fates were closely related to his growth. To unlock new powers and uncover the truth behind the universe, he must lead his teammates to overcome many obstacles. Does the dawn of the apocalypse really exist, or is everything just a bigger conspiracy?
