{Harry Potter AU/PG-15/Angst} Do Kyungsoo of Gryffindor has fiery passion for morality, striving to do the right thing, be it classwork or being a friend, he's always trying his best as the end of his sixth year draws near, his eye on the Head Boy position. That is, until he meets the mysterious, cold and seemingly dangerous Wu Yifan, the infamous Slytherin who is rumored to be a parselmouth that breaks all the rules. Kyungsoo's own included.