The Serpent and the Lion [L.S]

"Louis doesn't know what lives in boys like Harry - magnificently beautiful boys, who should want for nothing, but somehow still have a quiet dissatisfaction for life simmering underneath the surface. The singular change in Harry was something Louis never thought he'd see, but then again, nothing that had been happening lately was ever in Louis's line of prediction."

OR

Seventh year Hogwarts AU in which Harry Styles is a Gryffindor jock, Louis is just trying to get through the year, and Liam, Zayn and Niall rarely ever know what the hell is going on.