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 1st World Tour : [LOONATHEWORLD] In Seoul Day1 image](https://image.tmdb.org/t/p/original/wL1JRmB8PPrOKVlMjrrR6CDTJBV.jpg)
LOONA 1st World Tour : [LOONATHEWORLD] In Seoul Day1
Self (ViVi)
![LOONA Premier Greeting [D&D] image](https://image.tmdb.org/t/p/original/zprZHNTaUsGOL63mDiCHriNOGwJ.jpg)
LOONA Premier Greeting [D&D]
Self (ViVi)
LOONAVERSE: FROM
Self (ViVi)
The 1st Field Day – Run, Orbit!
Vivi
![LOOΠΔ On Wave [LOOΠΔTHEWORLD : &] image](https://image.tmdb.org/t/p/original/ygcTQ4fgZpgbb65hqOAjLHmLyJA.jpg)
LOOΠΔ On Wave [LOOΠΔTHEWORLD : &]
Self
![LOONA [#] Showcase image](https://image.tmdb.org/t/p/original/rSZ1tINSxCh1E9P0GHjbQBRUxXl.jpg)
LOONA [#] Showcase
Self
![Loossemble 1st FAN–CON [Make a voyage] image](https://image.tmdb.org/t/p/original/yVHMqeZnQJj5XL3RqrJJYblHUN8.jpg)
Loossemble 1st FAN–CON [Make a voyage]
self (ViVi)
![Loossemble 2024 Concert [Up_Link Station] in U.S image](https://image.tmdb.org/t/p/original/nve0T9R2SlcAVbpKCC6fvFo67eZ.jpg)
Loossemble 2024 Concert [Up_Link Station] in U.S
![LOONA On Wave [LOONATHEWORLD : Midnight Festival] image](https://image.tmdb.org/t/p/original/sN7K7AMZv05IkhB3HPAhjP4R8rL.jpg)
LOONA On Wave [LOONATHEWORLD : Midnight Festival]
Self (ViVi)
![LOONA On Wave [LOONATHEWORLD : &] image](https://image.tmdb.org/t/p/original/ifG7Zpt6gdWlDlgrm0vjTRMbdTV.jpg)
LOONA On Wave [LOONATHEWORLD : &]
Self (ViVi)
LOONA 1st Live: LOONA THE WORLD IN TOKYO