- Stage Name: Luce (루체)
- Birth Name: Jung Yeonjoo (정연주)
- Birthdate: June 26, 1997
- Birthplace: Bundang, South Korea
- Blood Type: A
- Height: 170cm
- Hobbies: Watching Disney movies, handcrafting
- She has an older brother.
- Her favorite food is mandu.
- Her role models are G-Dragon and Beyoncé.
- She took part in IDOLM@STER.KR.
- She knows the members of Real Girls Project and finalists of IDOLM@STER.KR, and is close with Son Hyeonmi and Ha Seo.