Secret Sister
Celebrities become an Unnie (older sister) for a day to a younger celebrity spending 24 hours together, sharing one bed and one blanket.
Reality
First Air: 2018-05-04Last Air: 2018-09-07Rating: 9 (1)Seasons: 1 | Episodes: 19
Celebrities become an Unnie (older sister) for a day to a younger celebrity spending 24 hours together, sharing one bed and one blanket.
