- XuanXY (Xuan Yi and E/XY)
- They both have brown eyes.
- They both have a younger brother.
- They were both born in 1995.
- They are both in the sub-unit αγύρτης.
- They are both actresses.
- Xuan Yi has black hair but EXY has blonde hair.
- Xuan Yi was born in Henan, China but EXY was born in Busan, South Korea.
- Xuan Yi can play piano but EXY can play tambourine and triangle.
- EXY is a part of Y-Teen but Xuan Yi is not.
- Xuan Yi is a member of Rocket Girls 101 but EXY is not.
- EXY has an older sister but Xuan Yi doesn't.
- Xuan Yi is in the sub-unit Joy but EXY is in the sub-unit Sweet.
- They are both in the group Cosmic Girls.
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