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.
![LOONA On Wave [LOONATHEWORLD : Midnight Festival]](https://image.tmdb.org/t/p/w185//sN7K7AMZv05IkhB3HPAhjP4R8rL.jpg)
![LOONA On Wave [LOONATHEWORLD : &]](https://image.tmdb.org/t/p/w185//ifG7Zpt6gdWlDlgrm0vjTRMbdTV.jpg)
![LOONA [#] Showcase](https://image.tmdb.org/t/p/w185//rSZ1tINSxCh1E9P0GHjbQBRUxXl.jpg)
![LOONA Premier Greeting [D&D]](https://image.tmdb.org/t/p/w185//zprZHNTaUsGOL63mDiCHriNOGwJ.jpg)
![LOOΠΔ On Wave [LOOΠΔTHEWORLD : &]](https://image.tmdb.org/t/p/w185//ygcTQ4fgZpgbb65hqOAjLHmLyJA.jpg)
![LOONA 1st World Tour : [LOONATHEWORLD] In Seoul Day1](https://image.tmdb.org/t/p/w185//wL1JRmB8PPrOKVlMjrrR6CDTJBV.jpg)
