Luhan and Minseok are both students at Hogwarts, in their Sixth year. The first one is a Gryffindor, the other one a Ravenclaw, they are friends since their first year, but when their teacher suddenly asked his students to make a patronus charm, everything changed for Luhan. 

A cute Xiuhan OS, I'm sorry if there is any english mistake, it's not my first language :) Enjoy !