1 Season
2 Episode
Standby I.O.I - Season 1 Episode 1
- Year : 2016
- Country : South Korea
- Genre : Reality
- Studio : Mnet
- Keyword :
- Director :
- Cast : Choi Yoo-jung, Yeonjung, Kim Do-yeon, Kim So-hye, Lim Na-young, Kim Se-jeong
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