You're Next (Markiplier and Friends fanfic)

One day, a YouTuber by the alias of "Markiplier" got a phone call, it was from one of his close friends, and fellow YouTuber "JackSepticEye". You see, earlier, all of Jack's social medias were nowhere to be found. He summons Jack over to LA to help solve the mystery with him. But the culprit strikes again. He...