I do not own Naruto. This is a poem that speaks of one's thought on his life. Most applicable to Naruto as he is a jinchuuriki. 

The Promise of My Demons

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"When you've got nothing and lost your heart,

Crying to the midnight stars with bloody hands,

When you've carried misery for very long

Carrying by yourself that Pandora's Box,

Come to me and let me hold you close."

.

"I shall hold you close to me in Hell's fire

The flame burning not our bodies but our souls

Fiery fires shall devour our pains and misery

And our insanity shall make a bloody inferno

As the flame of our anger continues on and on,"

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You will be shown the fire of its red anger

Not knowing what it's hiding is a blue grief

Held by a single light that shall linger forever

Burning everything in its paradoxical glory

As it roars its scream of angry pain

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I shall be the one who holds the burning lance

It shall only be mine and mine alone to have

I shall not allow others to carry this painful blaze

I know for sure that they may not endure its wrath

And they could be devoured by its anger alone

.

I shall be the only fallen one to exist in here

Here in the land where they try to fly higher

I must go away; my broken wings shall never heal

And my disease shall not be spread to any other one

As I want see them fly away and leave this place

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I can never dance in the blue colors of the sky

I have reveled in the company of my demons

I choose to let them comfort me and consume me

Inside my heart only darkness is needed indeed

So please let me be, I am happier in this life of mine

.

Hold me close and do not let me break in your arms

That, I am begging you silently in my heart

However, I cannot tell you that for it may destroy me

The pact I have made with my demons is forever true

I shall forever be held by the demons of the past