Action/Fantasy/Supernatural shit that u prolly don't know

One day, a mysterious tower suddenly appeared in the city. The people decided to call it a dungeon, and while it was full of rugged terrain and dangerous monsters, it was also a land of opportunity, where countless treasures awaited. When Sejun, a young man living an ordinary life, is invited to the dungeon by chance, he is thrilled at the prospect of becoming rich, but he is stranded in a hidden area of the mysterious tower.

Really good, read this if u want to relax and chill, filled w cuties

I wasn’t reborn with talent or ability, but at least my knowledge from earth allowed me to stay one step ahead in this other world. Magic exists here, and new progress was rapidly being made in science while magic stagnated in the name of tradition. Using my earthly knowledge and not bound by the traditional thinking, I was able to do things other wizards couldn’t even imagine.

I read this hoping that I will be faced with cliche reincarnation plot and story. But it's actually unique on its own

A desperate survival to escape from the repetition of life and death.

The MC is stuck through a time loop and a place where he himself don't know how he got there and how to get out. After a few lives, he was closed to finding the answer but then he got betrayed by his comrades. THE WORLD BUILDING IS REALLY MYSTERIOUS TO THE POINT THAT EVEN THE READERS DOESN'T KNOW HOW THE PEOPLE GOT THERE AND WHY THEY HAVE TO SURVIVE. IT'S REALLY DARK BUT NONETHELESS FUN AND ENJOYABLE READ!!! GIVE IT A TRY!