Saving My Life(Markiplier X Reader)

Yet another Markiplier fanfiction.

You are walking home from shopping. When you cross a busy street, a truck comes towards, until someone pushes you out of the way. You notice it is your favorite youtuber, Markiplier. He makes sure your are okay. You start to hang out with him very often. After a couple of weeks, you notice Mark is acting strange. He saved your life, will you return the favor?