Grass, Like Envy, is a Shade of Green (фемслэш)

Swan Queen Week Winter 2016, Prompt 6: Envy
The only thing more annoying than her randomly assigned roommate's neat freak behavior is how much money she can afford to waste while Emma can't use the washing machines very often without blowing her budget. The worst part is, Regina never seems to realize just how lucky she is.
And no matter what Mary Margaret says, leaving her half of the room a mess doesn't mean she's being passive aggressive.