Beerus and his attendant Whis find two young girls who don't know anything about themselves, save for their names. They quickly discover that the two girls aren't from their universe and, with the help of some of their 'friends', raise them with the intention of sending them back to their own universe one day. Until that day comes the two girls are stuck with Beerus, Whis, and their friends.

Applejack and Rainbow Dash will have to help save the universe from evil tyrants, genetic monsters, and a creature that should have been forgotten... while fighting along side some of the universe's greatest heroes.

(Dragonball Z/ MLP crossover)
(Part of the Universe 13 story series, though reading the other stories is not required)