Sunset Shimmer visits Equestria with Juniper Montage. Soon, It's time for them to return to the human world -- followed by Pinkie Pie and Princess Luna, -- but it turns out that, at that moment, a certain hacker has glitched the system, and the four of them end up in an entirely different world.

An Overwatch/MLP crossover.

Bella Willows has a normal life. That is, until she catches her best friend, Eira Caresse, writing letters on scrolls of parchment and causing them to vanish into sparkling green smoke... Turns out she's a magical princess from another world. Who knew?