

2018–2018 · jTBC · Ended
One day, one secret unni of a girl appears! For 24 hours, the two of them will share secrets and a common bed for the night. Unnies will comfort and empathize with girls that have worries.
Friday
This series has ended.
Last aired
S01E20 · Episode 20
2018-09-12
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Browse #secretunnie on Instagram →Episode 1
2018-05-05 · 45 min
Episode 2
2018-05-12 · 45 min
Episode 3
2018-05-19 · 45 min
Episode 4
2018-05-26 · 45 min
Episode 5
2018-06-02 · 45 min
Episode 6
2018-06-09 · 45 min
Episode 7
2018-06-13 · 45 min
Episode 8
2018-06-20 · 45 min
Episode 9
2018-06-27 · 45 min
Episode 10
2018-07-04 · 45 min
Episode 11
2018-07-11 · 45 min
Episode 12
2018-07-18 · 45 min
Episode 13
2018-07-25 · 45 min
Episode 14
2018-08-01 · 45 min
Episode 15
2018-08-08 · 45 min
Episode 16
2018-08-15 · 45 min
Episode 17
2018-08-22 · 45 min
Episode 18
2018-08-29 · 45 min
Episode 19
2018-09-05 · 45 min
Episode 20
2018-09-12 · 45 min
Yeri
Yeri
Wonder Girls Alum Sunmi Teases Sister Bonding With Red Velvet’s Seulgi In ‘Secret Unnie’ Show
en.koreaportal.com · Apr 26, 2018
Actresses Kim Ye-rim and Lee Eun-saem: On-screen enemies, off-screen besties
The Straits Times · Jun 23, 2023
HAPPY YERI DAY! 💜🎂 Happy birthday to Red Velvet's precious maknae, Kim Yerim! ❤️🎂🎉
Facebook · Mar 5, 2025
Red Velvet’s Yeri and Lee Chan Hyung to star in horror flick ‘Next’
The Statesman · Sep 10, 2024
Girls' Generation's Hyoyeon And MAMAMOO's Wheein Confirmed As Next Pair On Reality Show
Soompi · May 4, 2018
Red Velvet’s Seulgi Pays Homage To Her Friendship With Sunmi
Koreaboo · Sep 15, 2019
Red Velvet's Seulgi Talks About Her Favorite Movie To Explain Where Her Ideal Type Stemmed From
Soompi · Jun 9, 2018
9 Idols Who Are A Part Of Red Velvet Seulgi’s Star-Studded Friend Group
Koreaboo · Aug 26, 2020