Son Hye-ju (손혜주) is the twelfth and last revealed member of LOONA with the name of Olivia Hye (올리비아 혜) and a member of its third sub-unit, LOONA / yyxy. She is a South Korean singer. In September 2023, she redebuted as HyeJu (혜주) in Loossemble under the CTDENM label.
![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 LOONA On Wave [LOONATHEWORLD : Midnight Festival]](https://image.tmdb.org/t/p/w154/sN7K7AMZv05IkhB3HPAhjP4R8rL.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)
![Poster for Loossemble 1st FAN–CON [Make a voyage]](https://image.tmdb.org/t/p/w154/yVHMqeZnQJj5XL3RqrJJYblHUN8.jpg)
