The Half-BloodPrincess?

After a stellar career as an Auror, Hermione has decided to return to her second home and become the new DADA Professor. She wants to protect the most important person in her life from their world unraveling around them. Can she keep the secret that has been her's to bear for the past 11 1/2 years? Probably not since her secret is still a Professor at Hogwarts.