An Ethics Lesson
Fasten Your Seatbelt
Trade Your Love
A Year-End Medley
Will You Still Love Me Tomorrow?
Law of the Jungle
Miss Korea
The Night Watchman
Ko Sung-hee (Hangul: 고성희; born June 21, 1990) is a South Korean actress. She is best known for her leading roles in Diary of a Night Watchman (2014) and My Holo Love (2020). She has also starred in While You Were Sleeping (2017) and Mother (2018).
