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.
![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)
