MTL - Konoha: Inventory of the Top Ten Show Operations at the Beginning - Chapter 282

Waking up, I discovered that I had become a cat with superpowers...

Amidst an ordinary stroll home, Jake is struck on the head by a mysterious object, plunging him into unconsciousness. When he opens his eyes, the world has transformed. Now, reborn into a newborn in a magical realm, Jake grapples with the surreal fusion of past and present. Navigating the challenges of infancy, he discovers latent magical abilities tied to this extraordinary reincarnation. As the threads of his former life intertwine with his newfound existence, Jake must unravel the mysteries of his past to fulfill a destiny that spans realms and confront the enchanting and perilous journey that awaits him.

Jun Ye travels through worlds for unexplained reasons and is always cast in subservient roles. Unfortunately, that wasn’t his style. Let the counterattack commence!

- Description from Novelupdates

A story about a traveler who crossed into a parallel universe, relying on his Proficiency ability to continuously grind experience and become stronger.