Ryuu Kusari no Ori -Kokoro no Uchi no “Kokoro”- - Chapter 1[LN] Volume 4: .5

One day, Su Mu transmigrated to an alternate world.This world had martial arts practitioners, Qi cultivators and also various types of terrifying ghosts, monsters and demons.In such a hostile environment, his otherwise-perfectly fine reincarnation system became a death system. For him, death was not the end, but rather, a new beginning. From the system, he experienced the profane lives of tens of thousands of demons! In one simulation, he was cut up, thrown into a pot, and eaten. Then, he became a Bloody Skeleton. In another simulation, he was forcefully conscripted and died in battle. His corpse did not decay, and he became a Drought Zombie. In yet another simulation, he was struck by lightning, and his extreme Yin Qi was converted into Yang Qi. He became a Fierce Thunder Ghost. In one more simulation, he consumed spirits, and his murderous aura filled the skies. He became an Undying Ghost Chariot. Some people cultivated to become deities. One other person died a hundred times to become a demon!

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

Reyhan Alther died at the age of 20 and was reincarnated… as the wind. Formless and directionless, he drifted through a new world filled with wonder and cruelty. But from that breeze, everything began. With a mysterious power called the Divine Spirit System, Reyhan slowly rose—guiding spirits, gathering followers, and changing the course of the world. From a lonely gust, he became a figure known as Father… even to the gods.A battle of fate awaits. But before that, there's still time for the wind to whisper… and maybe crack a small joke or two.

{Ding! You've seduced the Ice queen}{Reward: you've earned 10× her net worth: $20M}{Multiple orgasm!}{Extra reward: $10M}As if losing everything wasn’t enough—his job, his pride, and his life, all stolen in a single day. First came betrayal. Then came Truck-Kun.Caleb Monrrow thought it was the end.Until he woke up in another world.Now reborn as the bastard son of a ruthless business tycoon, Caleb enters a life where his name is ignored, his worth dismissed, and his powerful siblings want him erased.He has one mission:Rise above them all and claim the legacy that should’ve never been his.But then…{Ding!}[10X Rebate System Activated]Seduce and conquer all female Cardholders. Receive 10X their wealth.“Getting rich while having fun? Sounds like the perfect deal.”Or so he thought.What the system didn’t say was that every Cardholder is linked to Group X—a shadowy organization that controls wealth, media, and power from the shadows.Each cardholder is powerful, seductive… and hunted.Rival Cardholders, deadly assassins, and secret alliances threaten to unravel everything.And now Caleb is in the middle of it all—with his life, heart, and future on the line.“Wait… the system never mentioned this!”In a game of lust, betrayal, and survival, Caleb must seduce, outsmart, and endure—because in this world, love is a weapon... and wealth is war.