MTL - Science and Technology Library - Chapter 1027 : Overture to War

Cho Ryu Hyang was good at math from a young age. When he enrolled into the The Theoretical Maths and Martial Arts School, the teacher, Jo Gi Chun, recognized Cho Ryu Hyang’s talent immediately and took him in.

[You can now choose three of the following seven options
1. Go back to five years ago with the present memory
2. Five centimeters taller
3. Seven million deposits
4. Appearance +50 points
5. A company with a market capitalization of 500 million
6. Proficient in a foreign language
7. Teaser live broadcast 10 million virtual coins]

Li Ang became angry after finishing the selection: choose every day, choose, choose, you will give it after the selection!
…
Fuck, it’s really shipped!

- Description from novelbuddy

I struggled until I was thirty-eight and couldn’t afford a house. I had to pay a gift of three hundred thousand in advance to get married. I lived frugally and frugally for most of my life until my liver was broken. But where was the money? Who made the money?

Jiang Qin, who harbored countless grievances, was reborn at the age of eighteen. The only thought he had when he opened his eyes was to start a business and make money.

The first step is to snatch back the love letter you sent, turn it over, and write three lines in the school belle’s astonished eyes:

You can’t work for anything, and you can stay with a rich woman if you can.

You can make more money if you lose it, but you can make more money if you lose your conscience!

Social animals, never slaves!

As for love? Dogs don’t even talk about that stuff!

- Description from novelbuddy

Hakuto's life changes forever when his father Shin— a man with highly questionable morals—marries Kagura Kurotsuki, the CEO of a multinational company, and they move into her luxurious mansion.There, he meets the alluring daughters of his new stepmother: the seductive Yuzu—who doesn't hesitate to tease both her new stepbrother and her stepfather in ways that are... rather bold—and Rika, more introverted and irritable, yet just as sensual.But nothing is truly as it seems...Kagura is a succubus, but Rika and Yuzu are different.They were born from a demon and a vampire—something that shouldn’t be exsiste.Because of that, demons, vampires, even humans want them.But Hakuto won’t allow it.He’ll never let anyone hurt his beloved stepsisters.