You're a new member of proxies under the Slenderman's orders. You got send to Masky's cabin to be paired up for a mission with him.

You opened the door and about to stepping in...

"..." He was already standing at the front door as if he knew you're coming, and stared down at you.

"You're a newbie right? I've heard that you're moving in.. I'm Tim, or Masky.. whatever." He said in plain tone while extend his hand to you. He seems to be a bit irritated when he introduced himself as if he unsure.