Little Mushroom 小蘑菇 - Chapter 22: "Come With me To the Lighthouse."

One night, a premeditated entanglement.She seduced him and claimed him as her own.After a year of entanglement, she still could not compete with his destined one.After the divorce, Sheng Youxia offered a high price for a child.Requirements: supermodel legs, a strong waist, 180cm height, 180mm, 180 minutes, rejecting those who are only appealing in appearance but useless otherwise.Fu Shilü saw the advertisement posted by his ex-wife and ultimately couldn't hold back, sending her a message.“All your requirements are based on me, right? Just say you can't let go of me.”Sheng Youxia responds with a cold laugh: “Cured? Send me the test results.”

In times of peril, the overlooked Ninth Prince, Qin Wudao, steps up to hold the collapsing empire together, commands the six armies, carries out the sealing ceremony, and establishes an era of abundant prosperity.“Ding, congratulations, the check-in system is now in place!”Once awakened, the world becomes aware, who does not recognize this sovereign?

My memories of my past life returned when I hit my head on a rock. I am Katarina Claes, the eight-year-old daughter of a Duke. While I was struggling with a high fever, it was decided that I would become a prince’s fiancée. I have now realized that this is the world of an otome game I played in my previous life.

I also realized that I had become the villainous noble girl who got in the way of the protagonist and her capture target… if the protagonist got a good ending, I would be exiled from the country with only the clothes on my back, while in the bad ending, I would be killed by the capture target… where’s my good ending!? Do I only get bad endings!?

I want to overcome all the destruction flags somehow and reach old age!

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