MTL - The Wizard World - ~ Chapter 40 Book of the Wizards 1

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

-Welcome back home~Shall we start with a bath today, or eat first?-Isn't there a third option?-Nope, so let's eat first. I made omelette rice today.-Speaking of omelette rice, there should be that 'maid magic', right?-I really can't handle you... moe moe kyuu~ make it taste good~ moe moe chu~-And what about a heart with the fingers?-I'll give you a head with my heart!The maid finally lost her patience and slammed the omelette rice onto Lin Shuang's head.Lin Shuang: That feels better.

She, a 21st century mercenary queen, had crossed over into a tragically betrayed body of a waste. Waste? She will show them what it means to be a waste! Betrayed? With the Ancient Manual in her hands, she will astonish all the despicable men and cheap women!

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