Some gender-bender dramas with female lead in disguise are:
1. You're Beautiful - My all-time favorite, classy drama featuring Park Shin-Hye as a boy member of the K-pop band, A.N.Jell.
2. Coffee Prince - Another great drama to watch. Yoon Eun-hye's acting as a male is totally on point!
3. Sungkyunkwan Scandal - It's a great historical drama, with Park Min-Young playing a male scholar.
4. Love in the Moonlight - Kim Yoo-jung enters the palace as a eunuch, but Crown Prince Park Bo-gum fell in love with her.
5. To The Beautiful You - A cheesy drama where Sulli enrolls in an all-boys school.
Other dramas where girls pretend to be boys are: Ma Boy, Painter of the Wind, Nail Shop Paris, and Queen Seon Deok.