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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 yo

Tsukasa, a company employee who repeatedly changes jobs in search of better conditions, challenges the final interview of a major corporation. But as soon as he went past the door, he found himself in another world. His past career seems completely i