City of Sin - Book 2, Chapter 16

A world full of magic and wonders, where dragons stand for metals, sprites stand for farming, knights cultivate qi, mysterious wizards dwell. In this world, a man who had transmigrated into the body of a baron, follows the prompts of mysterious symbols to change his destiny.

- Description from Novelupdates

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

Father's concubine framed him, coveting the treasure in Lu Chen's hands.His clan siblings were envious, fearful that Lu Chen would threaten his position as the young master of the family!The two colluded, resulting in Lu Chen being gouged in one eye and his Dantian destroyed, leaving him disabled!In such a desperate state, he also faced a life-and-death crisis on the execution stage, but only the maid Qin Yaotiao stayed by his side, willing to live and die with him!Fortunately, he obtained the Hateful Sky Clan's Totem Pupil Bead left by his biological mother, which granted him an unparalleled Pupil Skill cultivation technique and spear skills, allowing him to gradually take revenge for the blood feud and ultimately embark on the supreme path of immortality with Qin Yaotiao!

The royal bastard of House Vasquer, Argrave, changed after his stay studying magic at the Tower of the Gray Owl.

The sickly man's awkward posture and cruel behavior have been replaced with a neat dignity and acerbic wit.

Though once listless, he now strives towards his goals with a life-or-death tenacity.

Most come away thinking he seems to know too many details about too much. Few can claim to know his motives or his goals.

Yet behind that confident appearance, the primary contributor for an open-world RPG's wiki battles existential dread and things far beyond his ken as he struggles to adapt to a grim, gothic fantasy world mirroring his favorite game.

The prospect of fighting against a world-ending calamity loses all of its appeal when it transitions from entertainment to reality.

Argrave is spurred towards unwanted heroism to preserve his life as he struggles desperately to keep this sinking ship afloat.