Ryan. Thunder from a Clear Sky

Samantha and Ryan always couldn't stand each other. But when Samantha turned sixteen and Ryan eighteen, she found herself irresistibly drawn to this blue-eyed brunette with new strength. The sensible girl turned into a foolish lovesick stalker
But beware, Ryan Slater! Though you are a master of games and pranks, captain of the school team, the object of adoration for all the girls in school, your hatred for Samantha is about to turn into something intriguing, burning, and passionate. The first book.