MTL - I Have a Store In the World of American Comics - ~ three hundred and eighty-five

The end of the world is coming, the world has undergone great changes, and everything has changed. Plants, animals, and even insects, as long as there are living things, have mutated.
Become more powerful, and even evolved supernatural abilities, such as chickens and ducks that can fly to the sky, such as cats and dogs that can breathe fire.
But only humans, without any obvious changes, seem to have fallen from the top of the food chain to the bottom of the food chain overnight.
Any creature that can open its mouth to eat can treat humans as food.
But fortunately, this world has not completely killed humans. Gradually, humans discovered that they had the ability to cultivate compatibility with other creatures.
As long as it has a high degree of compatibility with some powerful mutant creatures, it can be used for its own use to achieve the purpose of protecting itself.
Fang He is a person who is very compatible with mutant animals, but it is also because of his ability that he has changed from the strongest to the stupidest.
Fang He, who was reborn, said, “Hmph, this time…”

- Description from novelbuddy

Wei Chi transmigrated to the Nine Continents of the Celestial Realm. Initially, he was prepared to just be an honest third son of a family. However, after a turn of events, he had no choice but to inherit an entire divine cultivation plan.From then onward, his vibe changed a little.When he saw a girl with decent talents, he immediately asked, “Girl, are you interested in divine cultivation?”In the blink of an eye, 10 million years had passed.Numerous top-class empresses flew through the sky and showed up in front of Wei Chi.Wei Chi wailed and yelled,“I really don’t have any more cultivation methods!”“Please stop coming here!”“You’re all grown-ups now!”