When the CMC got the power to fuse their bodies to turn into an alicorn, they were exited at first, imagining a future of fame and adventure.
Turns out being a superhero is a lot more works then expected, including, but not limited to, drastically reduced sleep, dangerous work, getting portrait as a villain by the media, late homework, love drama, chaos in many, sometimes literal forms and way to many annoying monologues.
As the Crusaders dip their combined hoof into the life of being a superhero, they have to learn how to minimize collateral damage, date the colts they love while sharing a body, handle the fear towards alicorns and master the skill to not fall asleep during villain monologues.
Overall they manage as well as you would expect, and the insurance companies hate it…