My Muscle System in the Mage World - Chapter 370 Stairways to Heaven

When the night came, there was a twittering sound in his ears, and the monster in the shadow began to move restlessly. Jason’s hungry stomach began to roar, and he couldn’t help swallowing saliva. Hunger is the best spur.

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!
With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

- Description from Novelupdates

In countless worlds, mysterious doors appear, leading to an ordinary-looking convenience store. That is, until you see who’s inside.An immortal cultivator ponders over instant noodles flavor, an ancient demon sips a cola, and a primordial beast carefully holds a bag of potato chips. Beings who could shake the heavens stand quietly in line, waiting their turn.At the counter, a young man scans their purchases. No one knows where he came from, but all understand one thing. In this store, rules must be followed.Welcome to the Dimensional Convenience Store, where even the greatest existences must check the price before they buy.

Kyle broke free.He finally punched that guy in the face!But yeah, in return, he and his cronies would beat Kyle to death. Kind of a bad deal, but screw them anyway!He didn't regret punching this guy even once!However, just when Kyle was getting his face pushed in, a powerful Magic Lady intervened and offered him a job. Bit of a weird time to recruit someone, but sure.What was his job?He had to go to a different world and become its Overseer, whatever that meant. This entire deal seemed a bit shady.A world where one person can fight thousands of people.A world where gigantic beasts shattered mountains.Sadly, Kyle was just some random guy. He couldn't shatter mountains. Hell, he could barely fight a single guy.Well, that just meant he had to grow more powerful.And during Kyle's stay in that world, he would realize that he really liked the feeling of breaking stuff with his big hammer.Join Kyle on his journey to become the Strongest Hammer God.