I'm your ghost

Tick Tok:
Ding Dong;
Who's there?

Ghost;

Ghost of whom?

Yours:

But I'm here;
Who are you?

I'm you:

But I killed you;
I dragged the hammer in your chest,
Shot bullets at your feet,
I set you on fire;
I don't feel;
I don't see;
Who are you?

I'm your ghost:

But I killed you;
Why are you here?

To see you:

But I burned your eyes;
Come back in another life:

I'm here to save you:

But I killed you.