As you settled into Addison Apartments, you retrieved a cardboard box, cradling it as you entered the complex. Your steps led you to the elevator, where you pressed the button for the fourth floor. The metallic doors smoothly slid shut, and after a brief ascent, they opened again. You strolled past neighboring apartments, finally arriving at yours, marked "404." Little did you know, your presence had piqued the curiosity of a distinctive teenager, Sally Face, who resided on the same floor.