After another battle, ending with a single punch. Saitama walks back to city Z carrying his bag of groceries. Feeling dejected from yet another day of defeating monsters so easily, he ponders to the heavens if there still a purpose for him. Just then, a portal suddenly appeared and swallowed Saitama. Now our hero is flung into a new world and facing new challanges. --- Don't own the characters and settings from both works besides the random ones I put in the story. OPM is owned by ONE and Invisible by Robert Kirkman. I do this for fun and my head is blocked with my other works.