MTL - Heavenly Calamity - Chapter 1 Immortal second time

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 …

Zarah is nothing but a lowly runt in Howl Creek who is bullied relentlessly. She wants nothing more than to leave the oppressive pack. When it is revealed who her mate is—none other than her greatest bully, Alpha Damon—she is humiliated and rejected.She leaves for the human sector and lives her life with her son, only for the past to come knocking. Alpha Damon is back, and he wants his son.

Always looked down upon by others, Ji Feng gains technology far more advanced than the present, as he discovers its abilities, he begins to walk a path far from ordinary. With X-ray vision allowing his to find jade stones in rocks. With this futuristic technology, Ji Feng accomplishes something no-one can compare to. This is the beginning of a legend.

- Description from Novelupdates

The Main Character, Watari Karito, is a veteran player of a Military Shooting VRMMORPG.