Invasion of the Multiverse of Madness

Have you ever thought about what kind of things would disrupt this peaceful life? Have you ever seen that the earth three thousand years from now will be completely uninhabited... Have you ever seen the horror that swallowed up the entire universe... Have you ever seen the giant thunder dragon that wraps around the entire galaxy... A thin young man, walking in the darkness of the world, warning countless intruders! You shouldn't be here!