Start by Spending One Billion [Entertainment Industry] - Chapter 48

Princess Leah wrote a suicide note ahead of her wedding.

Li Yi accidentally obtained a black science and technology library, which contains countless books of the inheritance of high-tech civilization and records countless knowledge.

There are thousands of bells in the book, there is a golden house in the book, there are many horses in the book, and there are Yan Ruyu in the book.

Li Yi has completely turned into a bookworm, learning all kinds of knowledge from the library, grand unified theory, particle Tebo theory, …, acquiring various black technologies, superconducting materials, super batteries, intelligent algorithms, … .

- Description from novelbuddy

Fate, a gatekeeper who had been working for the castle, is beset by a few burdens.

In an era when the power of Fire Magic was considered to have reached its limit, one girl began researching nuclear fusion.