You've seen it all; roommates, flatmates, sex buddies, harems, monogamous marriages, combat couples, business partners, patrons, pen pals, and everything and anything in between. First person, second person, third person, webcomic, video game, author avatar and anonymous Mary Sues.
Well, what if all of them happened at the same time? That's right, bronies everywhere need look no further—this story has your escapist fantasies covered. Because you/he/I just moved into Ponyville U, and Princess Luna did too.
Prereading by Sereg.