Looks like someone stole one of your earlier stories
m.webnovel.com

Danmachi: Corrupted Gamer (Eventual Multiverse)
An ordinary guy finds himself with a Gamer System in Danmachi as his first world. This is the story of a normal guy degrading into a ruthless killer step by step.After all, power corrupts.ps. There will be frequent lemons as well :)
