Starring lead actresses Kim Hae Sook and Kim Hee Sun, as well as lead actor Kim Young Kwang�and more, 'Nine Room' tells the story of a death-row convict (Kim Hae Sook) and a lawyer (Kim Hee Sun), whose fates become switched. In the drama, ONE plays the role of a genius, rich, outlaw named Ki Chan Sung.�

Earlier this year, ONE appeared in dramas such as tvN's 'Hwayugi' and 'Compilation'. He was also recently cast in film 'Goodbye Summer', promoting back and forth from the small screen to the big screen.�