Prologue

I once encounter death
I once saw the hell
I once met darkness

But before I totally reached my ending, he offer his hand. He saved me.

He saved me from dying
He saved me from my near death

He saved me by a Contract
A contract that open another door
A contract that allows me to enter a new hell

But that contract will going to help me to achieve my goal. My pledge.

The contract that I wont ever regret

The contract that bind me with him

And that's why, He is now my

DEMON BUTLER