This story is a sequel to Equestria Wars Episode XI: Attack of the Vines
After the Battle of the Bands, the Human Twilight Sparkle attempted to research the statue at Canterlot High and discovered the portal, but was caught by Sunset Shimmer and successfully escaped. With the Friendship Games on the way, Sunset calls Charming Thunder and Danny to help her find the source of why their friends pony up randomly.
A story between Episodes XI and XII.
Reminder: My Little Pony: Equestria Girls Friendship Games belongs to Hasbro
Great story, and the Force will be with you always.