- stage name: yeonjung (연정)
- birth name: yoo yeonjung (유연정)
- chinese name: ?
- position(s): main vocalist, face of the group, maknae
- sub unit: natural
- birth date: august 3, 1999
- birth place: gyeonggi province, south korea
- zodiac: leo
- blood type: a
- height: 164cm (5ft. 5in.)
jun 20 2017 ∞
jun 20 2017 +