Jae-Joong Kim

A stupid but legendary female assassin (Song Ji-Hyo) is hired to kill hallyu singer played by JYJ's Jaejoong.

No Eun Seol finally gets a job as a secretary at a law firm after struggling with unemployment, only to have her boss, Cha Ji Heon, the immature youngest son of a chaebol family, fall in love with her. (mydramalist.com)

Lee Goon used to be a promising tennis player but he was injured. After that, he lost all his self-esteem, and his life completely changed. (imdb)

A brilliant neurosurgeon falls into a time portal and lands in 1860 Korea. Without his modern medical tools, he must figure out a way back to the present day, saving a few Joseon-era people along the way. (imdb)