- MeiNa (Mei Qi and Bo/na)
- JiQi (Ji/yeon and Mei Qi)
- MeiYeon (Mei Qi and Ji/yeon)
- They both have brown eyes.
- They are both actresses.
- They are both in the sub-unit ενύπνιον.
- Bona was born in Daegu, South Korea but Mei Qi was born in Luoyang, Henan, China.
- Bona has black hair but Mei Qi has purple hair.
- Bona can play piano but Mei Qi cannot.
- Bona has an older brother but Mei Qi has no siblings.
- Bona was born in 1995 but Mei Qi was born in 1998.
- Bona is in the sub-unit Wonder but Mei Qi is in the sub-unit Natural.
- Mei Qi is a member of the group Rocket Girls 101 but Bona is not.
- They are both in the group Cosmic Girls.
- When Cosmic Girls had just debuted, many people said that they look alike.
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