- DaJung (Da/young and Yeon/jung)
- They both have brown eyes.
- They were both born in South Korea.
- They were both born in 1999.
- They are both in the sub-unit φορεύς.
- Dayoung was born in Jeju but Yeonjung was born in Gwangmyung, Gyeonggi-do.
- Dayoung attended Seoul School of Performing Arts but Yeonjung attended Hanlim Multi Arts School.
- Dayoung has red hair but Yeonjung has light brown hair with blonde hightlights.
- Yeonjung was a member for I.O.I, but Dayoung was not.
- Dayoung can play triangle and tambourine, but Yeonjung can play guitar.
- Dayoung is in the sub-unit Wonder but Yeonjung is in the sub-unit Natural.
- They are both in the group Cosmic Girls.
- They are the youngest in the group.
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