MTL - Custom Made Demon King - Chapter 15 T virus transformation! Mature period!

Dying after getting bitten by a zombie, the main character finds himself in the world of fantasy.Reincarnating as the mid-rank villain, he decided to live differently and avoid the main cast. After all who would like to live as an arrogant brat only to die like a dog?However, just as he resolved to live a better life,[Ding!][This world is not the same as the host knows. Because of the tragic ends, the God of Fortune has reversed the time and has allowed the main heroines to retain their memories.]Yeah, he is done for.******Additional tags: Possessive characters, no Yaoi, no Yuri, no ntr.

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

In fact, Ling Yun was the son of a wealthy businessman. But one day, his mother finds out that her husband is having an affair with his secretary. And after that she decided to divorce her husband, but at that time she did not realize that she was pregnant with Ling Yun.

After learning about her pregnancy, she decided to move to another city. And since then, their lives have been up and down. Because of the economic crush, and also his mother's health was getting worse.

He decided to take the 'Dark' path, which led him to near death. But just as Ling Yun was nearing his end, he heard a little girl's voice asking him.

“Do you want to live?”