Double the Affection (Jack and Finn fanfiction)

17 year old Iris Layne is astonished when she finds out her best friend has a twin. Amazing, right? There's two of him, double the fun, double the trouble. Or, triple the trouble, Iris finds herself wedged between the two in their little war over who gets the girl. With mixed emotions over the boys, who will she choose? The familiar stranger or the friend she's come to know. Will her feelings change when one makes a move? Or will it all go down hill after rivalry starts to boil?