Human X Mythical Creature

College buddies find themselves at the same Hospital. So they decide to be roommates. All could go well... [i]could[/i] being the key word. 

One of the roommates is an Elf! And Elves have been living in the among the humans for a long time but they've been hiding their magic for a long time and now, a very powerful young elf is living with their human roommate. What could [b]possibly[/b] go wrong!?