The Demon Within

Sometimes you wake up, and everything is good in the world. The sun is shining, the birds are tweeting and your annoying neighbour is mowing his lawn at 7am. But sometimes, you wake up and have to fight for each breath.
That is how the world works now, ever since the demons were released from hell to walk the earth.
How did that happen? Well take a seat, 'cause I'm about to tell you. This is my story. The story of the end.