- They both have brown eyes.
- They were both born in 1995.
- They are both sub-vocalists and rappers.
- They were both born in South Korea.
- Bona has black hair but EXY has blonde hair.
- Bona was born in Daegu but EXY was born in Busan.
- Bona can play piano but EXY can play the triangle and tambourine.
- EXY is a member of Y-Teen but Bona is not.
- Bona is in the sub-units Wonder and ενύπνιον but EXY is in the sub-units Sweet and αγύρτης.
- They are both in the group Cosmic Girls.
- Bona thought that EXY was the selfie-fairy of the group.
- Bona says that EXY thinks of her as a comrade and she thinks of EXY as a crybaby.
- Bona has jokingly said that she can beat EXY in fighting back tears.
- EXY says that she wants Bona's constant goddess beauty.
- EXY says that Bona thinks of her as a frustration (in a good way) and she thinks of Bona as the rice ball in Tteokbokki (Stir-fried rice cakes).
- ↑ After School Club (Ep.203) WJSN. Retrieved October 29, 2018.
- ↑ 2.0 2.1 Bona's Weekly Idol Profile. cr. kimbully0819 Retrieved January 20, 2019.
- ↑ 3.0 3.1 EXY's Weekly Idol Profile. cr. kimbully0819 Retrieved January 20, 2019.
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