Apparently, this was briefly featured on July 1st, 2015. Thanks for reading everyone!
Spike has been away on royal business for about a month. Pinkie, Twilight and the rest of the gang are planning a big party for him when he returns. Things seem to be going smoothly until certain happenings lead Spike to question the way other ponies see him, specifically one purple-maned unicorn, and a turn of events results in them seeing a part of Spike none of them-including him-knew existed. It seems they didn't know as much about Spike as they think they did...
Chapter 15 is up!