Starting from Scratch, I Slaughtered My Way Through the Haunted Game

[Infinite Flow] [National Fate] [Satisfying read] [The female lead has an unconventional way of thinking; no romance] Shi Su feels she's been terribly wronged. She only wanted revenge on the lunatics in the lab. How did she end up getting shoved into this damn weird game? Even worse, every NPC and player here wants to kill her. Come on, she's the professional killing machine here, okay? Then the dungeon bosses discover in horror: Fine, she beats up monsters, but why is she tearing the entire dungeon apart?!