My Measurement: The Villain Desires a Satisfying Payback - Chapter 1 - : Measurement of Truth

I, the protagonist, was just an ordinary NEET, but suddenly I was reincarnated as a tiny white snake in a fantasy world where legendary creatures and gods exist. Not only that, but I awakened in a cave as the offspring of a terrifying Medusa Serpent.Armed with only my human knowledge and my indomitable mental strength, I'm forced to use cunning tactics and rapidly evolving skills to survive against far stronger monsters and humans... So begins the survival story of a former shut-in with incredible willpower, living as one of the lowest-ranked beasts in a world of magic!ᆖMusic suddenly started playing in my head.I'd been waiting for this moment for so long.'Snakes! Assemble'....

Xiao Chen, “the waste” of Xiao clan, had his engagement to the Young Lady of the Yang clan renounced.

And when he arrived at the sect that sympathized with him and took him in, he found corpses strewn all over the place and a mist of blood in the air. The sect was exterminated by a mysterious group that was looking for the ‘Wind Spirit Jade’.

He himself was left behind only half-dead for ‘wastes do not deserve to die by their hand’. Humiliated once more and on the verge of death, in the surroundings strangeness happened. A whirlpool sucked up the blood mist and diverted it into Xiao Chen’s forehead, transforming and enhancing his body.

- Description from Novelupdates

After traveling through time and space and becoming the younger brother of Uchiha Fugaku, Uchiha Yuto felt very panicked! He was preparing to practice hard to become the God of the Ninja World and suppress everyone, but after graduating from the Ninja Academy, he suddenly discovered that he had another path to take!“Itachi, don’t be a ninja; be a prodigal son! Uncle will give you money. The more you spend, the more popular you will be.”Being a ninja can't save the Uchiha! — Uchiha YutoThe more money Uchiha Yuto makes, the stronger his abilities will become!

Once she crossed through, she actually became the disfavored third WangFei?

Once she woke up, her family’s WangYe actually staged ‘a man and a woman’ play in front of her face?

Fine! In that case, she would also give her support: ‘365 seconds! I’ll let you feel high until you grow old! Standing on the side, watching you and her continue performing this play!’

In the end, she was thrown into the woodshed.

In a study room, a housekeeper came and reported: “WangYe, WangFei was cheating when she gambled at the casino. She was chased by people and ran to a crowded street.”

WangYe: ‘As she wished.’

‘WangYe, WangFei opened a nightclub and became the boss.’

‘As she wished.’

Finally, ‘WangYe, WangFei sent a divorce letter and asked you to sign.’

A certain Wang flipped his table: ‘She’s still not satisfied even after turning everything inside out!’

Opening a nightclub, mingling in a casino, censuring a prince, see how she played around this ancient era.

- Description from Novelupdates