Jeon Hee-jin (전희진), also known simply as HeeJin (희진), is the first revealed member of LOONA and a member of its first sub-unit, LOONA 1/3. She is a South Korean singer and lyricist. Currently, she is signed with MODHAUS agency under their ARTMS project. In October 2023, she made her solo redebut.
![Poster for LOONA On Wave [LOONATHEWORLD : &]](https://image.tmdb.org/t/p/w154/ifG7Zpt6gdWlDlgrm0vjTRMbdTV.jpg)
![Poster for LOOΠΔ On Wave [LOOΠΔTHEWORLD : &]](https://image.tmdb.org/t/p/w154/ygcTQ4fgZpgbb65hqOAjLHmLyJA.jpg)
![Poster for LOOΠΔ On Wave [LOOΠΔTHEWORLD : Midnight Festival]](https://image.tmdb.org/t/p/w154/oQmkxdk0caIrIvTy6KMYvaFTlID.jpg)
![Poster for LOONA [#] Showcase](https://image.tmdb.org/t/p/w154/rSZ1tINSxCh1E9P0GHjbQBRUxXl.jpg)
