Bubbline college au- Marceline and PB are roommates who don't realize each other's feelings towards them, that is, until they start to get to know each other. After Marceline makes a major mistake, will they ever be the same?

When Princess Bubblegum and Marceline go undercover to check out a couples resort, they find how hard it is to fake being girlfriends. But how long will their fake relationship take to turn real? (Girlxgirl, Marceline/Bubblegum) *There will be smut later in this so if you don't like that, don't read*