Hermione's Guide to Newfound Sorcery

Hermione Granger was perfectly content with her normal life. She had a best friend who would die for her, a crush on the hottest guy in school, and was top of her class at Livonia High. But all of this soon takes a turn for the worst when a mysterious new exchange student shows up on her doorstep claiming to be a wizard and her fiance. Yeah, fiance. And not only that, but he claims that she's got some spellcasting in her blood as well. Why is he choosing now to come claim her? And, more importantly, is what he says true?