My Vacation Brought the Isekai a Billion Shocks

What happens when your casual vacation becomes another world's worst nightmare? Armed with nothing but time off and an overpowered skill set, our protagonist accidentally shatters every expectation in this fantasy realm. From zero to legend in record time—because who says you can't revolutionize an isekai world while on break? A hilarious power fantasy where vacation mode meets world-shaking chaos.