Light, Laughter and Darkness. (Markiplier, Darkiplier and Warfstache x Reader)

You are best friends with the well-known Markiplier; a goofy YouTuber with some out-of-control floof. You think you know everything about him until one day, everything changed. A voice calls to you from the dark and another one beckons you soon after. Are you crazy, or is there actually more to this man than you origi...