Before I got to know Solo Leveling -- I was an avid fan of Hardcore Leveling Warrior!
Story goes like:
ML - is the strongest player in the game but he got his level reset back to 1 all of his items are gone and most players are mad at him coz he was such a jerk when he was still on the top.
This is available to read for free on the webtoon app, I actually found this gem there a couple of yeaaars ago