It's A Twin Thing

Mary-Lease and Ana-Lucia are twins, and very good looking twins at that. However, as alike as they are, the both have very different lifestyles. While Mary likes to Party and Ana would rather sit with her nose nestled into a book at the library. While on a night out, Mary stumbles across a Harry Styles, a very attractive guy with a 'bay boy' persona about him. When she gets home she tells her twin all about Harry and Ana returns the conversation with facts about the fella she met last week at the library, Marcel. What happens when the figure out Marcel and Harry are the same guy?