Clearing an Isekai with the Zero-Believers Goddess – The Weakest Mage among the Classmates - Chapter 6: The request of the Goddess

Years ago, Earth was indoctrinated into the “System.”Earth was not the only place with the System, however. With the System came the other races, Invaders. The Invaders had one goal, to obtain ownership of this new habitable planet. This created a bloodbath, and for years the war raged.This didn't really have much to do with Derek. Derek was kind of a loner. Yeah, he enjoyed the occasional chat or drink with others, but he never stayed in one place too long or really got to know anybody new.Derek did happen to be rather strong. After the years of fighting monster and Invaders alone, he had become quite adept at surviving. One thing that helped keep him alive was his refusal to get involved with others. He rarely cooperated with teams.One day, Derek broke his rules and decided to lend some help, as the mission didn't seem too hard. He should have stuck to being alone.

After Wang Mang died, he turned into a giant python and evolved like crazy!

With the help of his family, he grew bigger and bigger! From the first few meters to tens of meters, and then to hundreds of meters!

From Burmese Python to Titan Python, and then to Deep Sea Python! When Wang Mang’s size reached hundreds of meters, the earth took a sudden change and the disaster came…

Waking up, Kim Hajin finds himself in a familiar world but an unfamiliar body.

In an inaccessible village, there were a few houses on the hillside.

People from far away were attracted here and the mountain road was crowded with luxury cars, because, in this town, there was a young man with incredible medical skills who could cure all kinds of illnesses!

- Description from Novelupdates