PC: Highup Entertainment
|Name||ISA | 아이사|
|Full Name||Lee Chaeyoung | 이채영 | 李彩煐|
|Born||January 23, 2002|
|Hometown||Suyeong-gu, Busan, South Korea|
|Height||165cm | 5′-05″|
|Education||Gajaeul High School|
Dong-a Middle School
Minan Elementary School
|Years Active||2020 – present|
- ISA got into Highup Entertainment as a trainee in April 2018 and made her debut as a member of STAYC in November 2020.
- Training Period: 3 years
- Highup Audition Song: Mama Do by Pixie Lott
- She took vocal and dance lessons at HAK ENTER Academy before auditioning for Highup Entertainment.
- MBTI: ISFJ → ESFJ
- LILY was her stage name candidate.
- Her taemyeong (nickname for unborn baby) was Haneulee (sky).
- If she had not made it as a K-pop idol, she would have become a secretary or an office worker.
- Role Model: KRYSTAL, Kiana Ledé
- Future Career Goal: Being a good role model for others
- Artist: HyunA
- Color: bright blue, black, indie pink
- Season of the Year: summer
- Word: sojoong (preciousness)