(y/n) goes to visit their friend-danny- for a while, little do they know that Jesse and Joey are living there at Danny's house now. (Y/n) doesn't know who Jesse and Joey are for they have never met them.
(y/n) is from real world, where the hobbit and the lord of the rings is fictional in movies and books. Somehow the Elven king-- thranduil -- gets stuck in (y/n's) house, unbeknownst to them, while they were doing (said task) in their house.