Sulli Choi

Ji-ho is a promising pianist who has been studying and playing abroad for years, but her career takes a blow when she is struck with stage fright. Returning home, Ji-ho is reunited with her old school friend, Seung-ryong, who, although now in his twenties, has been left with the mind of a six year old following an accident. (wikipedia.org)

Ha-Eun's (Do Ji-Won) husband Joo-Chang (Park Sang-Wook) is a mixed martial arts champion who does not hesitate to practice guillotine chokes or low kicks outside the ring. Ha-Eun decides she cannot take it any longer and, in a spur of passion, publicly challenges Joo-Chang to a duel in the ring. (asianwiki.com)

A teenage boy decides to change his style in order to get his high school crush to notice her. (imdb)

A power-hungry criminal of the underworld sets his sights on building a casino, but gets thrown for a loop when a reporter enters the picture. (imdb)

A high school girl who's inspired by a gold-medal High Jumper devises a scheme to motivate him by attending his school. (imdb)