To The Beautiful You (2012)

Tae Joon became Jae Hee’s strength during her toughest time, and she leaves the US for Korea to enroll in a men’s physical education high school to help Tae Joon restart his high jump career.
Tae Joon announces his retirement from the high jump national team and closes his heart, but his closed heart begins to open after meeting Jae Hee.
Eun Gyul is confused about his sexual orientation as he falls in love with Jae Hee who is masquerading as a man. The student-athletes have a fun time training with each other and are not tied down to setting a record or competition.