(GN!Reader x Yandere Guys) You weren't like the scientists, or security guards, or even the "helpers" of the facility that you worked at. You were just a simple janitor who's been (under)paid to clean up after all of them. However, when a security breach occurs that ends up releasing all of the monstrous experiments kept by the facility, you end up having to use more than just your cleaning skills to get out alive. (Un?)luckily for you though, a few others also have the same goal...