I'm an Extra, so What? - Chapter 43: Potential Ally

The eldest daughter of Hou Di of Anding, who fled for her life, was concussed by someone slapped with a brick. When she woke up, she became the young daughter-in-law of a farm family.

There are many crises outside, and I am afraid that my life will not be guaranteed. Xi Yao feels that the vest cannot be dropped, nor can it be dropped in death…

In order not to be driven away, Xi Yao, who worked hard, accidentally became the group pet of the Zhou family, and everyone protected her.

Zhou Rong, who had never seen a bride since he was a child, was blackmailed by his father-in-law. He even exploited the money to take the exam. He married a sick wife. OK, absolutely impossible.

In order to express his position, Zhou Rong spoke coldly and ruthlessly, and then found that his little daughter-in-law treated the family’s milk baby better than him…

He thinks that his daughter-in-law is very good, and thinks that he can still work hard…

- Description from novelbuddy

The world was once at war with 10 alternate worlds. This was known as the Concept War and our world won 60 years ago. All of this was concealed so no normal people are aware of this fact in the current time.

After the death of his grandfather, the high-school student Sayama Mikoto is suddenly summoned by the giant corporation IAI. He learns this world is headed for destruction due to the acceleration of the Minus Concepts. To prevent this, negotiations must be undertaken with the survivors of the other parallel worlds so their 10 concepts can be released.

And so Sayama is caught up in the final battle to clean up after the Concept War which left behind so much enmity.

A supreme expert in the Immortal World had died, and a strand of his soul returned to its original body on Earth. Tang Xiu discovered with amazement that ten thousand years passed in the Immortal World, yet only a single year passed on Earth.

Ruthlessly betrayed by his lover and trusted friends, Tang Xiu found that his soul went back to his previous body on Earth, and, despite he spent 10,000 years in the Immortal World, just a year has passed on Earth and many things have changed. Having an unsurpassed knowledge, Tang Xiu will protect his loved ones and go back to the Immortal World to take his revenge.

- 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.