- YeonYi (Yeon/jung and Xuan Yi)
- They both have brown eyes.
- They have both been on Produce 101.
- Xuan Yi has black hair but Yeonjung has light brown hair with blonde highlights.
- Xuan Yi was born in Haikou, Hainan, China but Yeonjung was born in Gyonggi-do, South Korea.
- Xuan Yi was born in 1995 but Yeonjung was born in 1999.
- Xuan Yi can play piano but Yeonjung can play guitar.
- Xuan Yi is an actress but Yeonjung is not.
- Xuan Yi will be on the Chinese version of Produce 101 but Yeonjung was on the South Korean version.
- Xuan Yi is a member of Rocket Girls 101 but Yeonjung is not.
- Yeonjung was a member of I.O.I but Xuan Yi was not.
- Xuan Yi is in the sub-units Joy and αγύρτης but Yeonjung is in the sub-units Natural and φορεύς.
- They are both in the group Cosmic Girls.
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