Bitesized Creepy pastas

Part 1 - Someone at the door

Someone is knocking on the inside of my door.
Ever since I was in school I always wore headphones when leaving the
house.
As an adult I still wear headphones while I lock my apartment door and
head to work.
If it wasn't for the fact that I snagged the cable on a kitchen drawer while
getting ready this morning, I probably could have gone years without
realizing... something is knocking om my door... from the inside.
I heard it just as I twisted the key in the lock.
Knock...
Knock...
Knock...
My hand lets go of they key, still inside the lock.
The first thought that comes to mind is that what if some kid snuck in and
got locked inside by accident.
Knock...
Knock...
As I twist the key back the knocking stops. A moment of hesitation and
then I open the door.
There's no one inside.
"Hello?" I call inside my own home.
"Is anyone there?"
Silence. I look at the time on my phone and realize I'm going to be late.
I lock the door again and rush down the stairs.
Tired and hungry, I open the door to the stairwell and with heavy foot falls
make my way upwards.
Echoes of my feet thump against the stone steps rhythmically, until I stop
at my door but the rhythm continues.
Knock...
Knock...
Knock...
A brief moment of confusion before I notice that it's coming from my own
door.
I swallow hard and feel the adrenaline make my fingers grow cold.A moment later it comes again.
Knock...
Knock...
Knock...
Who is that?
"Who's in there?" I call out and my voice reverberates through the
building.
I fumble with my keys and go to open.
Knock...
Kno-
As I turn the key the sound stops abruptly.
There are several silent seconds as I stand there, staring at the handle.
The hallway stands empty before me, just as I had left it.
Carefully to make as little noise as possible I step inside.
"I'll call the police if you don't come out!" Closing the door behind me, my
hand twitches and stiffens as my fingertips touch the cold metal of the
lock.
I leave the door unlocked and do a quick lap of my apartment.
Nothing has been touched. Everything looks exactly the same.
At the back of my head a thought starts itching. The lock? Did the
knocking start and stop when locking and unlocking?
Taking a deep breath I step outside and close the door. Slightly trembling
fingers bring the key to the lock.
"Come on, you're an adult!" I tell myself and slap my own hand with the
other one.
As soon as the lock clicks.
Knock...
Knock...
Knock...
It's back. With the key still in the lock I put one hand on the handle and as
I breath out I turn the key and the handle at the same time and fling the
door open!
Knoc-
...
Empty. The hallway stands empty.
Impossible. What is going on? The irrational fear of this nothingness, this
lack of logic and reason grips me harder.
I close the door and lock it again.
Knock...Knock...
Knock...
They sound near identical every time and in a constant rhythm.
Knock...
Knock...
Knock...
I try knocking back from the outside but nothing changes.
Knock...
Knock...
Knock...
Unlocking the door again I step inside and stare at the inside of the wood
that separated my own personal domain from the world outside. No
marks indicate wear. No signs of scratching of any kind. I lock the door
and just to humor myself and hopefully put my own fears to ease, I
knock on the inside three times.
knock, knock, knock.
And I feel a warm breath on the back of my neck.

Written by: Joceyposer
Edited by: Dracthonia

Narrated Version