dean's feed

i saw this ad for a manhwa on youtube like a month ago? all i remember was that this dude was stuck in a game and was the top player & no matter what he did he couldn't get out. (+ he beat the shit out of the demons ? in sandals. just thought i should add that just in case) if anyone knows what im talking abt pls lmk !! i forgot to screenshot the ad so now i've been dying of curiosity