MTL - The Man from Hell - Chapter 2443 Dao Daotai!

An alien race invaded the Earth on June 6, 2128. At the midst of this war, many nations allied with the alien threat and the war nearly wiped out the rebelling humans of the planet. At the edge of mankind's survival, the United Nations Army launched its forces to eliminate the immediate stellar threats that loomed over Earth.

General Seeker Carlean, commander and leader of the mission, risked and gave his life to destroy the immediate stellar threat. The battle was won though Earth lay in ruins. Perhaps mankind will live to see a few years of peace before the alien threat returns to wipe out their existence.

At the immediate aftermath of the stellar battle, the fallen Seeker Carlean awakens and finds himself at aged 17, living the peaceful life he lived 16 years before he died.

So begins a new game in the battle for humanity's survival.

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 the city of Graheel, a small antique shop sits quietly mixed in with all the other shops. Its unassuming appearance is easily overlooked by many. However, this store and its owner has a terrible secret. A devil lives in that building. The owner of the store, John Li, an enigmatic figure whose origins and intentions are unknown. The desperate from around the world, often unknowingly, come to him in search of salvation.A red witch thinks the owner is an ancient creature, a white fox calls him a wizard of eld, a warrior believes him to be a spirit, and a holy woman declares him a god. This mysterious individual and his customers would stand at the center of a strange series of events. From the store owner John's perspective, he has no idea what's going on. He really was just an unlucky dude that got caught up in some crazy stuff.

The whole world is subjected to a highly dangerous standardised exam called the Global University Entrance Examination. Answering questions by putting their lives at stake, they would live if they passed the test. Every month the exam will undergo reformation while, occasionally, it is random.

- Description from Novelupdates