Blackened

His unconventional wish came true. Over time, the blackness started growing on him. It crept from the very tips to the edges of his cuticles. His fingers were as black as a summer's night. He was ecstatic, excited. What he had always wanted was happening to him right now! He was the happiest he'd ever been.
The little boy's mother started noticing that he had other symptoms, like she had. She didn't have the heart to tell him what was going on. A day that was a joyous experience for the child quickly went downhill.