I Have A City In An Alternate World - Chapter 4311 - : Hopeless escape (1)

Ryan «Quicksave» Romano is an eccentric adventurer with a strange power: he can create a save-point in time and redo his life whenever he dies. Arriving in New Rome, the glitzy capital of sin of a rebuilding Europe, he finds the city torn between mega-corporations, sponsored heroes, superpowered criminals, and true monsters. It’s a time of chaos, where potions can grant the power to rule the world and dangers lurk everywhere.

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 the 21st century, she was the talented leader of the hidden family clan, once she crossed over, she became the number one waste?

Ethan Millers was just an ordinary man with an ordinary job — until one unplanned act reset his karma to zero. In a universe built on balance, this was not a miracle... it was an error.Erased from the world, Ethan awakens in a place without time or space — the No-Where. With nothing but his thoughts, he spirals into madness, invention, and eventually, creation itself.He imagines powers, technologies, divine systems, and worlds beyond comprehension — until the void bends to his will.Now, known as Zane Creed, the strongest existence in the cosmos, he descends into a new world with overwhelming knowledge and unimaginable power.And what does he choose to do with it?Become a teacher.After all, what better way to reshape a world… than to teach it?