Destroying My Own World - Chapter 12 - : Deja Vu.

Protagonist travels between different anime worlds to right wrongs and uncover his reason for being along the way.

- Description from Novelupdates

After a disaster, a despised son-in-law quietly undergoes a shocking transformation. With both medical and martial arts skills, a battle for redemption is on the brink of erupting...

“Hey, Kid, do you know what this is?” Thanos asked, lifting his arm to reveal a golden gauntlet adorned with six Infinity Stones. “With this, reality can be whatever I want.”

Fang Mo, wearing the Infinity Armor, responded, “You can try, you purple-headed twat.”

Worlds Fang Mo can currently Travel:

— Minecraft World

— Marvel

— X-Men

Who says I am a worthless student, the pretty Alliance Leader is within my grasp.

Who says I am a single man, a harem of huge numbers waits upon me.

Watch how the strongest senior high school student in history, Li Fan, turns over the city upside down, becoming a hero unparalleled under the heavens!

My wife is the martial alliance leader, and I am the strongest senior high school student, Li Fan! I’m waiting for all of you to drop in to discuss the rules of Jianghu!

- Description from Novelupdates