Haseul (하슬 in Korean) is the third revealed member of South Korean girl group Loona (stylized as LOOΠΔ). She debuted as a soloist on December 5th, 2016 with the single "Haseul" and title track "소년,소녀". Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.