Call Me Professor

Harry Potter and co. are in they're fifth year at hogwarts. The PJO crew is teaching them and eventually helping them beat Voldemort. Percabeth, Jiper, Leo/Hermione, Nico/Ginny, Harry/Cho, Draco/Lavender, Neville/Luna, and Ron's a loser he can't get a girl. Did I mention that Harry hates the demigods?