Who Let Him Play Yu-Gi-Oh! - Chapter 7: Preliminary Round

A decision can destroy the sun, moon and stars. A finger can kill the Heavenly Overlord. While chatting, the Heaven and ten worlds can be annihilated.

A poor little kid walks out from a remote mountain area while holding the Nine Dragons and the Incredible Cauldron. With a control over the time and space eternally, he embarks on the Path to God where he defies the odds of the boundless universe gaudily by fighting against royalty and clashing with the legendary generation.

- Description from Novelupdates

Jin Runcandel is the youngest son of the greatest Swordmaster. After he gets himself kicked out of their clan, he meets a tragic fate…but before he dies, a God gives him a second chance. Now he must use his new power for good.

“I was ripped into this world against my will, so anyone who gets in my way from going back home... I'll show no mercy.”…Deklan is a renowned high school bully born with the unique impulse to do bad things.But he turned his life around.He and his father agreed to change for the better after spiraling into depression following the death of Deklan's mother. Instead of bullying, Deklan watched gory horror movies to suppress his impulse, and it worked.It worked so well that the impulse was essentially gone, replaced by an obsessive love of horror movies.Fate, however, played a cruel twist on him.He died.But death wasn’t the end; he was transmigrated into another world.In a world where the metaphysical realm bled into the tangible reality, a world where Ghosts were real, Deklan must find a way to go back home. And if the only way to go home was to become invincible by taming all ghosts first, then so be it.Fortunately, his newfound hobby gave him a powerful blessing.“You don’t scare me. Your face is so generic that at least a hundred horror movies starred you.”“System, this ghost is strong... Use Agna the Red Scarecrow Persona!”“This ghost is fast... use that persona!”“This ghost is so tough... use the other persona!”Others can only assimilate with one Ghost or none. Deklan? He can assimilate them all.Will Deklan be able to become invincible and go back home to reunite with his father, or was his transmigration more than meets the eye? Even if he can, with a fight for survival in every corner, will he come back the same person?

“A black dragon rises from the depths of the South Sea, triggering a cataclysmic tsunami... Flame spirits destroy city after city of steel and concrete, calmly departing from the center of a nuclear explosion... Extraterrestrial deities attempt to dominate the entire starry sea... This is a future world where human technology is highly advanced, and it marks the beginning of a martial arts era that sparks a frenzy of life evolution.Li Yuan, a martial arts student preparing for the college entrance exam, carries the vision of an extraordinary celestial palace where he can observe the starry sea, embarking on a challenging journey in this world.Many years later.“My current flight speed is 122,682 meters per second... My explosive power is... ” Li Yuan zooms through the atmosphere about 180 kilometers above the surface of the Blue Star, his cold eyes fixed on the colossal creature resembling a mythical dragon at the edge of the dim void: “You should be the strongest among all invading demigod life forms.”“Unfortunately, at this moment, I can only be called... a Martial God!”