Well, I was asked when Finally got my second story approved if it was a sequel and I did Answer on the comments, but a Blog post can help a bit more:

well Nightmare and Dragon is a side story... the reason is because of this story happenns After the events of our version of an episode (Luna Eclipsed), so, if you read it just bear in mind of that technonicallity

Will be writting a new Story, an easy Oneshot laters... Stay Puffed...