- YeonNa (Yeon/jung and Bo/na)
- JiJung (Ji/yeon and Yeon/jung)
- They were both born in South Korea.
- They both have an older brother.
- Bona has black hair but Yeonjung has light brown hair with blonde highlights.
- Bona is an actress but Yeonjung isn't.
- Bona is in the sub-units Wonder and ενύπνιον but Yeonjung is in the sub-units Natural and φορεύς.
- Yeonjung was a member of I.O.I but Bona wasn't.
- They are both in the group Cosmic Girls.
- They are known as the Leo Line because they both have the star sign Leo.
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