Shin Kimagure Orange☆Road movie: Hikaru Hiyama

Hikaru is initially presented as being unpleasant, a brawler, and a tougher talker than Madoka. But once she becomes friends with Kyousuke, it is revealed that she's actually very kind and energetic. She accidentally sees Kyousuke perform an impressive physical feat using "The Power" and ends up falling for him quite hard.