- YeonQi (Yeon/jung and Mei Qi)
- They both have brown eyes.
- They are both in sub-unit Natural.
- They have both been on Produce 101.
- Mei Qi has purple hair but Yeonjung has brown hair with blonde highlights.
- Mei Qi was born in Henan, China but Yeonjung was born in Gyonggi-do, South Korea.
- Mei Qi is an actress but Yeonjung is not.
- Mei Qi appeared on the Chinese version of Produce 101 but Yeonjung was on the South Korean version.
- Mei Qi is a member of Rocket Girls 101 but Yeonjung is not.
- Yeonjung was a member of I.O.I but Mei Qi was not.
- Yeonjung can play guitar but Mei Qi cannot.
- Yeonjung has an older brother Mei Qi has no siblings.
- Mei Qi is a main dancer but Yeonjung is a main vocalist.
- Mei Qi was born in 1998 but Yeonjung was born in 1999.
- Mei Qi is in the sub-unit ενύπνιον but Yeonjung is in the sub-unit φορεύς.
- They are both in the group Cosmic Girls.
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