My Father is a Hero, My Mother is a Spirit, the Daughter (Me) is a Reincarnator. - Chapter 13: The Easy Way Out to Welcome the Hero

Su Yun was a prodigy, blessed by the gods. However, life is never so easy. Soon after reaching 6th stage in spirit novice realm cultivation, his progress stagnated due to incurring a rare medical condition.

He approached her and announced domineeringly, “Ten million, you're mine!” Little did he know that she would smash his head and flee in panic! Five years later, for the sake of her young son, she endured humiliation and became his wife, always on guard around him, “Get out, what are you doing coming in?” His handsome face darkened, “Woman, you couldn't have forgotten that we are husband and wife, could you?”

In a world transformed by dungeon gates and awakened classes, Hunters fight monsters to earn power, fame, and fortune.Frank? He awakened as a Trader. F-Rank.No spells. No sword skills. Just one system window… and 500 dimensional tokens.Everyone laughed. Told him to quit. But Frank didn’t need fireballs—he had something better:『Dimensional Trading System Online』Connects to other worlds. One trade per day. Limited inventory. Unlimited potential.He sold candy to bug warriors. Swapped solar chargers for alchemy potions. Bought a sword technique with instant delivery.Then, he opened a booth beside a dungeon gate… and started outselling real vendors.Now, the same Hunters who mocked him line up to buy.Guild-backed merchants want him gone.And Frank? He’s just getting started.He’s not hiding. He’s not cheating.He’s building a business—and a blade arm to match.When monsters strike, Frank fights beside his customers.When dungeon loot drops, he flips it across worlds.From a broke rookie to a cross-realm powerhouse, Frank isn’t just surviving—he’s becoming the most dangerous F-Rank in the business.

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