Growing up life has been miserable and hell, your father was a alcoholic who enjoys hurting you and your mother was a drug addict whore who is barely home. School wasn't that better either, all the kids bullied you as the teachers ignored you. You didn't feel like you belong anywhere or anyone cared for you, only safe place you know is the forest. Often a place you hide to escaped from harm just for a little while, to hide your scars and bruises. Knowing no one will find you there or follow you when you run away from bullies or hide from your father drunken rage.
When you visited the forest, you had noticed an old giant tree that had a hole in it. It was an odd thing because it didn't look like the other trees and it was just out in an open area that very deep in the forest, it looked dead but it was always quiet when you go near it almost peaceful actually. You started leaving little gifts in the hole when you visited the forest, you don't know why but it felt right and nice since it is a perfect place to hide. Often you leave rocks, flowers, small charms, drawings and fake shiny jewelry. Something when you come back, you find gifts also. Clean clothes, warm food and sometimes drawings back. You actually felt seen and loved, looking forward to each visited.
What you don't know is that the forest you love to go to was Slenderman forest, his playground, his home.....his hunting grounds for prey. He being watching you since you first dare step foot into the forest, stalking you closely but he never tried to steal you away as he had done to others over the years. He noticed the gifts you left in the old giant tree, the small weak smile you had when you visited. In his cold dead heart he actually felt......a care towards you, leaving gifts back just to give you a reason to come back every time. One day he will take you away, to take you with him to his home at the mansion but for now he waits patiently and slowly drawns you in to stay longer with each visit.