Hana Kimi (2007)

The drama is based on the popular manga of the same name by Nakajo Hisaya, which has already been dramatized in Taiwan. Horikita plays the protagonist Ashiya Mizuki, a Japanese girl in the U.S. who one day sees the young athlete Sano Izumi compete in high jumping on television. She begins to idolize him. Sano gets injured one day in America while trying to help Mizuki escape from some gangsters. He stops high jumping ever since. Mizuki blames herself for the incident and decides to go to Japan and help Sano find his love for high jumping. However, Izumi goes to an all-boys school, so Mizuki disguises herself as a boy.