Isekai Nonbiri Nouka - Chapter 899: Mysterious House?

With the revival of spiritual energy and the breakdown of the order of species, it is a difficult test whether human beings can still stand at the top of the biological chain.

(There is already an old book, The Strongest Descends in the City, you can read it.)

- Description from novelbuddy

Lin SuCi transmigrated into a book, and became a kitten who had just cultivated into becoming human.

When he was still young, he was picked up by a good man to be become his apprentice, but he did not expect his master to let his senior — the number one villain in the book — raise him?

This villain senior was too scary, when he had nothing to do he would put him on a plate and stare at him. Let’s not mention cuddling, embracing, stroking and pinching him all day long, he even had a hundred ways to bite a cat!

Lin SuCi covered his butt and had a tearful epiphany, Senior wants to eat me up!

Having tried to run away with his short legs and getting caught for the nth time, Lin SuCi, his paws covering his face, had to accept his fate.

Wasn’t it to just be the boss villain’s favored younger brother? Take your hand off my tail, fine, I’ll take on this role!

- Description from Novelupdates

Former bigshot, Ying Zijin, woke up one day as the lost daughter of the Ying family, who had been missing for fifteen years. The Ying family promptly adopted another child to replace her.Upon returning to the wealthy family, everyone mocked her for not being as clever, capable, sensible, and elegant as a fake heiress. Her parents considered her a stain on the family and warned her not to harbor any illusions of being a lady of the family. They said she should be grateful for being a foster daughter, or else they would send her away.Ying Zijin: “I’ll leave then. No need to see me off.”While the Ying family celebrated joyously and others waited to see the real heiress make a fool of herself, influential figures from various fields took action.The top-rated idol with the most influential fans said, “Miss Ying, just let me know if you need anything.”The heir to a global economic monopoly said, “Ying family? What’s that? Boss, should we just wipe them out?”The number one martial artist in the country asked, “Who dares to bully my master?”The genius teenage boy with an IQ of 228 said, “That’s my sister.”A man with an incredibly seductive appearance smirked lazily and casually, saying, “Sure, then call me brother-in-law.”The influential figures were confused.When the real heiress’ true identity was restored, it caused a sensation on the internet. The Ying family went crazy and knelt, crying and begging her to come back.

An Individual from Earth finds themselves in the Shinobi World, equipped with a Scientific System. From that moment, he delved into scientific research far ahead of its time.