One Moo'r Plow - Chapter 63Book 1: : Walking Wake II

Chen Rui, an otaku from earth, is reborn into a human body in another world, who falls into the legendary evil, brutal world of the devil called Mozu where humans are treated as food. He has to survive while facing horrors of the devil, violent dragons and a variety of power enemies depending on a strange super system chip and his wits. Surrounded by Devil’s beauties such as black-bellied lolita princess, cold queens, violent dragons, charming poisonous devils …

Wanting to live in the Devil’s world is hard! Wanting to live in the Devil’s world as a human is harder! Wanting a human to be the devil’s son-in-law is hardest!

Let us see how a small otaku uses power and strategy step by step starting from an ordinary human to writing a legend as the devil’s greatest son-in-law.

- Description from Novelupdates

Humans are clever in tens of thousands of ways, Gu are the true refined essences of Heaven and Earth.

Fein Rizal was an aspiring doctor who was accidentally transported to a world dominated by Supernatural Beings and people with unusual abilities. Because of the unfortunate circumstances of the body's original owner, he was caught up in a mysterious incident in which his group of friends committed suicide. As the sole survivor, he was now being pursued by the perpetrator, who wished to silence him. Fortunately, he has the ability to level up his talent in everything, which may be the only way for him to survive in this insane world.

He holds a god-level sign-in system in his hand, punches the goose factory, and steps on the pig factory. Do you think there is no good game?
First feed you two mouthfuls of tainted milk powder, and then send you the legend of the dragon and the Hearthstone gold cartoon for free.
What? Still not satisfied? League of Kings out-of-print skin, give away!
Satisfied? Tch, this is just the beginning…

- Description from novelbuddy