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.
HyeJu has 13 screen credits in a career dating back to 2016. Signature works include The 1st Field Day – Run, Orbit!, Loossemble 2024 Concert [Up_Link Station] in U.S, Loossemble 1st FAN–CON [Make a voyage]. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
![Loossemble 2024 Concert [Up_Link Station] in U.S (2026) - HyeJu Credit Poster](https://image.tmdb.org/t/p/original/nve0T9R2SlcAVbpKCC6fvFo67eZ.jpg)
![Loossemble 1st FAN–CON [Make a voyage] (2023) - HyeJu Credit Poster](https://image.tmdb.org/t/p/original/yVHMqeZnQJj5XL3RqrJJYblHUN8.jpg)
![LOONA 1st World Tour : [LOONATHEWORLD] In Seoul Day2 (2022) - HyeJu Credit Poster](https://image.tmdb.org/t/p/original/dOAZotAiLxwzlsQyXu2aAdpYkvd.jpg)
![LOONA 1st World Tour : [LOONATHEWORLD] In Seoul Day1 (2022) - HyeJu Credit Poster](https://image.tmdb.org/t/p/original/wL1JRmB8PPrOKVlMjrrR6CDTJBV.jpg)