Rainbow Dash is feeling lonely. The painful emptiness of her home in the midwinter months is overwhelming. Intense emotions and some hasty decisions lead her to bringing home her very own human as her newest pet.
I had decided on getting a new pet. Only this time; I wanted a different, exotic pet; which left me with a human girl. Twilight was helping me to reform her according to the rules; after that, I'll raise her as my pet.
Giant ponies have enslaved humanity, and once great countries are reduced to mere vassals. What waits for two young siblings in Equestria where humans are sold as property.