Cho Ha-seul (조하슬), also known simply as HaSeul (하슬), is the third revealed member of LOONA, a member of its first sub-unit, LOONA 1/3, and the girl group's leader. She is a South Korean singer. Currently, she is signed with MODHAUS agency under their ARTMS project. In October 2023, she made her solo redebut.
![LOONA 1st World Tour : [LOONATHEWORLD] In Seoul Day1](https://image.tmdb.org/t/p/w500/n9u1wmGcofYSemLzrwjyTs0g9Br.jpg)
![LOONA Premier Greeting [D&D]](https://image.tmdb.org/t/p/w500/ivgB84136KVvxAgNjlcITWjCsqv.jpg)
