My Little Bride - Movie

Boeun is an ordinary high school girl who worries about grades and has a crush on her school's baseball team ace, named Jungwoo. One day, Boeun's grandfather orders her to marry Sangmin. When they were young, during the Korean War, Boeun's and Sangmin's grandfathers had promised that they would become in-laws. Despite the grandchildren's opposition, they are forced to marry because of the strong influence of Boeun's grandfather. Boeun's undercover married life begins: She pretends that she doesn't have a husband and starts dating Jungwoo. Boeun believes that she can manage both men and live a double life. Everything goes smoothly until Sangmin visits Boeun's school as a student teacher.

* Moon Geun Young
* Kim Rae Won