Celebrities become an Unnie (older sister) for a day to a younger celebrity spending 24 hours together, sharing one bed and one blanket.
오정, 박소정
The original title is "비밀언니" (KO).
The series spans 1 season with 19 episodes in total (avg. 19 per season).
Each episode runs approximately 50 minutes.
Originally aired on JTBC4.
Created by 박소정.
19 episodes · 2018
Masterpiece
1 votes
비밀언니
Ended
No
ALL
한국어/조선말
South Korea
5/4/2018
9/7/2018
