A/N: This story is a sequel to the anime, although it does reference many things that happen in the manga and so could be viewed as an alternate ending to the books. It begins about eight weeks before Tamaki and Kyoya graduate.
Harry starts up a Rebellion after Dumbledore is forced to flee Hogwarts and his two targets are Dolores Umbridge and Severus Snape. He has a foolproof plan: to drive them insane by acting insane himself.
Professor Severus Snape has a well kept secret and it somehow involves Lucy Pevensie, an apparent muggle born witch who has been invited to attend Hogwarts. Book one in the Severus and Lucy series Also posted on AO3
During third year, Harry makes a rash decision and quits Divination, following in Hermione's footsteps. It turns out to be the best thing that happens to him, as he us quite gifted in the subject.