This Lord is Very Scientific - Chapter 37 - 35: The Concept of a New Profession!

After choking to death on a watermelon, Rong Jiahui thought that she would enter the netherworld and be reincarnated.

But when she opened her eyes, she discovered, to her very horror, that she had returned twelve years into the past…

Looking at the beautiful and awkward “little brother” that would be conferred the title of Marshal in the future for outstanding military service, she almost let out a snort of laughter.

She firmly decided to hug the thigh of this little brother, and climb to the top of her life!

The plan was beautiful, but it had just one problem.

Why had this little brother… suddenly turned into…

A little sister…

- 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 powerful enemies by 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.

When Dirga signs a mysterious contract, his world is turned upside down. Shadows stretch, reality bends, and he’s thrown into a brutal game where power means survival — and the cost is everything.Guided by a devil with a smile too wide and a past too deep, Dirga must train body, mind, and soul in a realm where death is never far and every choice echoes beyond comprehension.Armed with evolving powers and a weapon tied to his very will, he steps into a world ruled by chaos, facing monsters, trials, and truths that were never meant to be uncovered.But in a game designed by devils, with rules no one fully understands — how far can conviction carry a man who fights not to conquer… but to protect?

In this brand new era of Beast Taming, who can rightfully claim the title of the King of Beasts?