MTL - Book of Technology - Chapter 440 do not understand

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

Traversing into the only heir of Alabasta, Princess Nephirutali Weiwei, has billions of properties, it is impossible to become a pirate, and it is impossible to work in the navy, but this identity is still the ultimate boss of the pirate world. Im staring, if you don’t want to accept your fate and wait to die, then stand up and turn the world upside down!

Well, before you do anything, you have to live first, this world is still quite dangerous…

Ps1: Female main text, don’t enter if you don’t like it

Ps2: Group numbers 639, 265, 715

- Description from novelbuddy

I want to go to the fairy road, step on the gods, I want to be happy!
Repair the baby, cast the fairy body, and smash the fairy mark!
The starry sky opens, the gods fight, and the depths of Chen’s home are back!
I am Xiao Hua, this is the story of my god that I am in the world of immortality, creating souls, dying, dying, and not dying.

- Description from Uukanshu translation