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.
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![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)
