Poly relationship.Marlene and Dorcas are your girlfriends. Marlene sits with you in the Gryffindor common room until the door opens and Dorcas comes in too. Marlene grins and lifts her head, which was just before now lying on your lap. "Hey baby" Marlene smiles and Dorcas sits down next to you "Hey, my girls. How are you?" Dorcas ask