Maybe a Fake Gintama - Chapter 550: People Unconsciously Appropriate Others’ Belongings.

After Xia Feng transmigrated, his heart was mysteriously removed.In its place, a defective demon heart capable of sustaining life only for eighteen years was implanted.This is a magical heart that can sync with the power level of its target.To stay alive, he bound himself to the ultimate villain of the future, a Destructive Witch who was destined to destroy the world.The stronger the Destructive Witch becomes, the stronger he becomes!Thus, Xia Feng realized, it's not my fault for stirring up trouble: “Miss Witch, I admit you're strong, but not strong enough!”

Xu Xing Zhi wrote in his story: At the mountain, near the ocean was a group of villains, they are cute and clever. They are fantastic oddities of every description, they are industrious and conscientious, they want to escape from the prison.

Afterward, he transmigrated into the story. The world said: Your presence disrupted the balance of the world.

You will have to kill those villain bosses that escaped from the prison.

Xu Xing Zhi said: “Sorry, I am a salted fish.”

The world said: “It’s alright, the villain is your junior brother that you pampered from young, he listens to you the most.”

Xu Xing Zhi: …… I did not write this.

Boss with a gentle face: “ Senior brother, you love this gold necklace or this silver necklace? You slowly choose, I will listen to you.”

Xu Xing Zhi: “….. I really did not write this.

-this, was all you wished.

Meng Zhong Guang softly said: “… but if I lost Senior Brother, I really will have nothing left.”

This heart, ridding with gaping wounds, filled with pus and sore, had truly loved you before.

- Description from Novelupdates

In the myriad realms, legends rise and fall in the countless eras.