Lu Ren was an ordinary guy. He didn't go to college after high school, but he worked hard and earned money with his own two hands. He landed a well-paying cleaning job—the only downside seemed to be that his colleagues were, well, a bit… ferocious?But gradually, his colleagues seemed to have gotten the wrong idea about him too.Among the monsters, a legend spread: "See that human mopping the floor? Don't mess with him! He's got connections up above!""No way! That's impossible!""Then how else has a mere human survived here unscathed for so long?!"Meanwhile, in the Xuanmen (mystic arts circles), another legend circulated: "See that human mopping the floor? Show some respect! Even those freaks and oddballs in the Inter-Realm Bureau don't dare to provoke him!"