Yes, Sir (Markiplier x Reader Fanfiction)
You are just an average school girl, age 19. You always stay after class to be able to stay with your favourite science teacher Mr. Fischbach, but when he catches you doodling something rather vulgar, what will he think of you?
(This is just a short story, and it will have a lot of smut. This is your warning, or your blessing. Either or)