- YeonA (Yeon/jung and Seol/A)
- 2Jung (Hyun/jung and Yeon/jung)
- HyunYeon (Hyun/jung and Yeon/jung)
- They were both born in South Korea.
- They both have an older sibling.
- They both have brown eyes.
- SeolA has silver hair but Yeonjung has brown hair with blonde highlights.
- SeolA was born in Seoul but Yeonjung was born in Gwangmyung, Gyeonggi Province.
- SeolA is a part of Y-Teen but Yeonjung isn't.
- Yeonjung was a member of I.O.I but SeolA wasn't.
- SeolA is a member of WJMK but Yeonjung is not.
- SeolA has an older sister but Yeonjung has an older brother.
- SeolA was born in 1994 but Yeonjung was born in 1999.
- SeolA is in the sub-units Sweet and ενύπνιον but Yeonjung is in the sub-units Natural and φορεύς.
- SeolA has been a member of Cosmic Girls since debut but Yeonjung joined in July 2016.
- They are both in the group Cosmic Girls.
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