His Contractual Mistress - Chapter 493 It is for the Best

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

This legend tells the tale of the protagonist, Kuroki summoned to protect the demon king from the hero.

Kuroki, unbeknownst to him, suddenly came to another world. He was summoned by the demon king, Modes. The territory which the demon king overrules was in the midst of being destroyed because of the hero. He had no choice but to bow before Kuroki.

“Please save us, Savior Dono!”

Kuroki nodded, deciding to save the demon king due to an unexpected turn of event.

“Mu Yingying,” or the Seventh Young Lady of the Mu family, vividly remembers the cruel past life she endured.Due to the evil schemes of her stepmother and half-sister, the three descendants of the Mu family met tragic ends...The eldest son died dishonorably, the eldest daughter became mentally deranged,And she, the second daughter, was unjustly sentenced to death!Even her own father heartlessly cast his children aside...Now, she has returned once again, to the third year of the Xingping era, when “Mu Yingying” was only 5 years old.She has come back to the starting point of everything!Very well... She will drag the traitors down into the depths of hell.Her return is not for forgiveness... but to reclaim what is rightfully hers and to exact retribution on those who wronged her!“Death is not the end, but the beginning of the regret you will face.”

On a certain day, Ji Xiao Li led his newly-acquired disciple into a dungeon, feeding him all sorts of priceless red and blue potions.

Teammate: f*ck, tyrant, you have an ore mine at home?

Ji Xiao Li: how did you know my family owns an ore mine?

【Teacher Orders a Salute：disciple, enter the sect, accept my guidance. Tell teacher, what is the sect’s foremost teaching?】

【Milk Tea Small Crisp：Master, isn’t our sect just you and I, what is the foremost teaching?】

【Teacher Orders a Salute：evil, evil disciple! I said to say it so say it!】

【Milk Tea Small Crisp：……】

【Milk Tea Small Crisp：Beat to death YueJian Chunhe that son of a bitch!】

YueJian ChunHe = Milk Tea Small Crisp = Ruan Fenghe

Teacher Orders a Salute = Ji Xiao Li

- Description from Novelupdates