Laura Marano just moved to LA, she's used to bullies and brats at her old school. But going to Marino High did not prepared her for what's was stored in her High School experience. Will she fall for the known fuckboy at Marino High? Or will she beat him at his own game? Ross Lynch is the known man slut of High School, he's probably made out with every single girl in that school. His only rule don't fall in love is about to change. Find out what happens on My brother's Girlfriend