MTL - Pirates: The Royal Props Master, Shocking the World - Chapter 92

Have you heard of it?In the dead of night, if you turn on a music player, put on earphones, hide under the blanket, and listen to a single on loop…After it loops forty-four times, you will fall asleep. If you are unlucky when you open your eyes again, you will no longer be lying on your bed, but you will enter a strange space completely isolated from reality.That space… On the surface, it looks like the places we usually see—your bedroom, living room, underground parking garage, bathroom, basketball court, construction site, and so on. But if you observe carefully, you will discover that they are different… Everything is different.***This is the experience of an ordinary person who, after acquiring superpowers, transforms and grows step by step in Dead Ends to reach the peak.

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Enigmatic hands, spectral frame, and one cunning strike just like the swing of the Grim Reaper. The Supreme Assassin takes on the mystical world, and how his legendary tales sets off, progressively ascending the altar to becoming the best.

- Description from Novelupdates

A young man with an extraordinary mind is off on an exciting adventure when he mysteriously wakes up in the body of a feeble slave-guy in a different, rich in quirks world.

The main character, a selfish jerk, would use extreme means to achieve his goals. However, he never allows his base instincts to overrule his sense of decency. He always pays back both good and bad deeds.

Will his (terrible/excellent) mentality help him make a fresh start? Will he get through misfortunes and hardships of the new world?

A 40-year-old man suddenly dies and is reincarnated in a world devastated by zombies—but instead of becoming a hero or a survivor, he wakes up as a zombie girl.