Description:
To help her son make friends, Sunset Shimmer brings Astral Dusk on a camping trip in the human universe. There, he’s introduced to human Twilight’s energetic daughter, Terra Rosa. And while the two discover their similarities and forge a friendship, Astral becomes a little too aware of their differences…to the point of questioning if they will last.
Full story chapter included in the Deviantart source link! Also go there to see this image in better quality, yeesh
Canterlot High background from here!