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 2024 Concert [Up_Link Station] in U.S](https://image.tmdb.org/t/p/original/nve0T9R2SlcAVbpKCC6fvFo67eZ.jpg)
