The Extra is a Genius!? - Chapter 344: Beneath the Cracks

Vergil, a 21-year-old young man, leads an apparently simple life in a somewhat troubled world. His family is also simple—although his father is no longer alive, his mother has always been by his side, despite being a bit... aggressive. But that's not so unusual nowadays, right?Everything changes drastically when Vergil, after an unexpected death, awakens as a demon. To his surprise, he discovers that he has accidentally married beautiful Pure-Blood demonesses.Now, he will discover how the world really works from a Demon's perspective.

In a world ruled by ancient powers and hidden forces, Caelen was just another face in the crowd — until a mysterious encounter with a radiant woman awakened something deep within him.The Lust System.With it, Caelen begins a path of relentless evolution. Every woman who bonds with him fuels his growth — not just in strength, but in influence, power, and legacy. But these aren't passive followers. They're warriors, leaders, and legends in their own right — elf queens, demon generals, angelic saints, dragon-blooded fighters, and more.Each woman brings unique abilities and ambitions of her own. Together, they don’t just stand beside Caelen — they fight, conquer, and shape the world with him.As old factions tremble and new enemies rise from sacred temples, fallen clans, and forgotten bloodlines, Caelen must lead his allies through a crumbling world, forging a new age in fire, desire, and war.This is not just his rise.This is their revolution.

This novel is also known as A Stay-at-home Dad's Restaurant In An Alternate World

There is a very strange restaurant in the City of Sin.

Elves and dwarves must share a table, orcs are strangely well behaved, dragons are only welcomed on the small square in front of the restaurant, and the demons must bring their own stool.

This strange restaurant with their strange rules continuous to attract a long line of customers.

“This place serves the best food! The chef of this restaurant is a genius!” Some of the guests in the restaurant left glowing reviews. But these guests have a word of warning for other guests, “No matter what you do, never, never attempt to kidnap the boss or try to ‘eat and run’. You will die.”

A cute little girl stood near the door, and demanded in her tiny voice, “You have eaten the food, now pay up, or I will beat you to death.” The five-meter tall dragon suddenly felt a chill running up its spine.

- Description from novelupdates

A boy that was imprisoned for millions of years has regained a mortal body.

He became a disciple of the declining Cleansing Incense Ancient Sect where its patriarch used to be his disciple. Now he will bring this sect back to its former glory.

This is his journey to reach the apex and take revenge on those who had imprisoned him.

This is his story of meeting old friends and making new companions.

This is his path of traversing the Nine Worlds and becoming the next ruler of the Heavens.

Several milennias have passed and the golden age of experts have passed. A master whose disciples once were the most exalted Immortals among the 9 worlds have all left him. With his mortal body, mortal physique and mortal life wheel. . . he shall sweep the 9 worlds and take what is rightfully his.