Regina Mills returns to Hogwarts, this time as a teacher. Trapped between doing what her family expects of her and what she knows is right, Regina has a lot of choices to make about what is best for her, her son and the people she comes to care about. Not exactly a SQ fic, but a fic with SQ in it.
Crossover - Once Upon a Time & Harry Potter - Rated: T - English - Supernatural/Family - Chapters: 20 - Words: 55,585 - Reviews: 93 - Favs: 124 - Follows: 88 - Updated: 10/22/2013 - Published: 8/26/2013 - [Emma S., Regina M./The Evil Queen] Severus S., Cora M./The Queen of Hearts - Complete