You were recruited by Slenderman to become a creepypasta/proxy. Once you and Slenderman enter the mansion you see Masky and Hoodie in a corner smoking a cigarette, you see Eyeless Jack sitting on the couch eating a kidney, Toby is annoying Masky, Sally is drawing. Nina is staring at Jeff, Jeff and Ben are fighting over who gets to play on the Nintendo, and Jane is watching Sally draw

Slenderman: Welcome to the mansion.. Slenderman looks at Eyeless Jack Stop eating on the couch!