This Is Not a Bug but a Game Feature - Chapter 164 - 128: An Excellent Matching Mechanism

The journey to the martial peak is a lonely, solitary and long one. In the face of adversity, you must survive and remain unyielding. Only then can you break through and continue on your journey to become the strongest. High Heaven Pavilion tests its disciples in the harshest ways to prepare them for this journey. One day the lowly sweeper Kai Yang managed to obtain a black book, setting him on the road to the peak of the martials world.

- Description from novelupdates

A famous actress slicing through monsters with flawless five-star choreography…A singer nuking mobs with long-range fire magic…A cold businesswoman trying to buy the entire monster hunter academy……and me—a dead-tired office worker who just wanted to log in and breathe.

Eren Idril died as an old, decrepit, and piss-poor adventurer by the maws of a D-Rank monster. He had a lot of unfulfilled dreams and desires that couldn't see the light of the day after the light in his own eyes died down.

But fortunately for him and unfortunately for the world, that wasn't his end. Eren was somehow dived back in time when he was a mere teen, attending Lionheart Academy for adventurers.

When life gives him a second chance, Eren decides to exploit it to its fullest. Experience his vile deeds as he partakes in them without feeling the slightest bit of hesitation.

My name is Joelson, and I traversed across the world. I arrived at a continent of sword and magic and became a noble sorcerer.