MTL - Conan’s Denial of Confession - Chapter 20 : Scumbag?

In short, MC inadvertently created a world, but as the creator of the world, he did not know the world at all. He should have lived here like a fish in the sea with some plug-ins that MCs always have. But now he is even stumped by the bugs in the instant world. Luckily, in this world he has found his shadow guard, or his lover? So the daily adventure is getting not so boring…

- Description from Novelupdates

Su Bai wakes up and finds that the world has changed drastically. He realizes he has come to a world of pets. After accepting the new setting, he is determined to become a powerful Pet Tamer.

Chen Xun crossed into the vast world of cultivation, awakened the Immortal System, and even received an Immortal beast as a companion.Chen Xun walked out of the ordinary small mountain village, stepping into the world of cultivation.Experiencing the prosperous era of cultivation world, the golden age, the era of rule collapse, the dark great turmoil era, and the era when all spirits were silent...Chen Xun, have no interest in fighting or killing, nor do I want to provoke anyone. I just want to travel the world with Bull and see all the splendor of the world.

A tree of 10,000 flowers, the world is the door.
The spells change a lot, but the hearts of the people are unchanged.

- Description from Uukanshu translation