Wong Ka-Hei (黃珈熙), or famously known as the mononym ViVi (비비), is the fifth revealed member of LOONA and a member of its first sub-unit, LOONA 1/3. She is a Chinese singer and model. In September 2023, she redebuted in Loossemble under the CTDENM label.
![Loossemble 1st FAN–CON [Make a voyage]](https://image.tmdb.org/t/p/w342/yVHMqeZnQJj5XL3RqrJJYblHUN8.jpg)
![LOONA 1st World Tour : [LOONATHEWORLD] In Seoul Day1](https://image.tmdb.org/t/p/w342/wL1JRmB8PPrOKVlMjrrR6CDTJBV.jpg)
![LOONA On Wave [LOONATHEWORLD : &]](https://image.tmdb.org/t/p/w342/ifG7Zpt6gdWlDlgrm0vjTRMbdTV.jpg)
![LOONA Premier Greeting [D&D]](https://image.tmdb.org/t/p/w342/zprZHNTaUsGOL63mDiCHriNOGwJ.jpg)
![LOONA On Wave [LOONATHEWORLD : Midnight Festival]](https://image.tmdb.org/t/p/w342/sN7K7AMZv05IkhB3HPAhjP4R8rL.jpg)
![LOONA [#] Showcase](https://image.tmdb.org/t/p/w342/rSZ1tINSxCh1E9P0GHjbQBRUxXl.jpg)
![Loossemble 2024 Concert [Up_Link Station] in U.S](https://image.tmdb.org/t/p/w342/nve0T9R2SlcAVbpKCC6fvFo67eZ.jpg)
