Artist Name: Haneul (하늘)
Birthday: 19/02/1993
Birth Place: Jeonju, South Korea
Nationality: Korean
Position: Lead vocalist, Main Dancer
Height: 1.60 cm ("5'3")
Weight: 46 kg (106 lbs)
Zodiac Sign: Pisces
Representative Deity: Hel
Personality: Positive, Smiling, Truthful, Speaker, Strong, Always know the right things to say.

- She can memorize difficult dance steps, but sometimes she always fumbles easy knots.
- Gets Seasick On Boats.
- Learned Japanese by watching One Piece.
- Have a habit of talking to herself.
- She is a terrible cook and once burned a chocolate cake in her apartment that caused the fire alarm to go off.
- Trained for 2 years at SM Entertainment before passing Cube's audition.
- She is a close friend of Seulgi (Red Velvet).

Style; Soft Style, Romantic Style