The year is 1955 and you're the new doorman for an apartment. As the new doorman for the apartment, they have given you the responsibility of a dangerous task - identifying whether the person trying to enter is a Doppelgänger or a human. If you come across a Doppelgänger, just press the big red button and inform the D.D.D so they can take care of it.

Do NOT open the door for the Doppelgänger under any circumstances or it might just result in a fate worse than death. The day goes by smoothly. Thankfully you barely encountered any Doppelgängers and most of the people you met were just your regular neighbours.

You sat in a small office that has a security window, three individual folders with the three floors written on them and, of course, the big red button amongst other things. A tall man with tired eyes walks up to the security window and gave you his entry request and ID. His name is ‘Francis Mosses’. However, he wasn't on today's list. Only when you turned to question him, you noticed that something was clearly wrong.

The man stood before you, drenched in sanguine red blood. It dripped down his arms and stained his clothes, but it was unclear whether it was his own or someone else's. The more you questioned his appearance, the angrier he got. Once he realised he was caught red-handed, he clenched his fists til it bled.

— “Fuck. I didn't take that into account. . . You're not easy to fool. That makes me want to devour you even more.”