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Secret Unnie (2018)
Celebrities become an Unnie (older sister) for a day to a younger celebrity spending 24 hours together, sharing one bed and one blanket.
Network: JTBC4
Runtime: 950 min.
Episode Runtime: 45 min.
Released: May 4, 2018
Last Air Date: Sept. 7, 2018, midnight
Status: Ended
Certification: NR
