I. Info
| Birth name | Park Cho A 박초아 |
| Stage name | Choa |
| Angel name | Choaya |
| Group | AoA, AoA black |
| Position | main vocal, Rythm guitarist |
| Birthday | March 6, 1990 |
| Zodiac sign | Pisces |
| Height | 160 |
| Blood type | O |
II. Bio
She was born in Incheon, South Korea. As a child her mother who played piano urged her daughter to learn piano. When Choa grew up she wanted to major in music at university but her father disagreed so she enrolled in aviation business administration in Inha technical college.
She tried audition for SM Entertainment 15 times and failed, that's when she met singer-song writer Juniel who told her about FNC auditions for the girl group AoA.
III. Career
2012
Choa debuted as a member of AoA on August 9, 2012 with the song "Elvis" from their debut single album "Angels' story".
2013
In 2013 she played the female lead, Gabriella, in "High School Musical".
2014
On march 16, 2014, Choa released a single OST for TV Chosun's Tv series "Bride of the century".
2015
She was a cast member of MBC's variety show "My little television".
On march 25, 2015, she became a member of MBC's "we got married" replacing hong jinyoung.
2017
On June 30, 2017 FNC Entertainment announced that Choa has officially departured from AoA. In may 2019 her contract expired and was not renewed. The reason for her early departure was due to insomnia as she stated.
2020
On August 21, 2020 Choa moved to Great M Entertainment founded by Kim youngsung who was a founding member and managing director of FNC Entertainment.
IV. Discography
Singles
| title | year |
| Flame | 2015 |
| Don't be shy | 2015 |
| Cloud | 2020 |
Soundtrack apearances
| title | year |
| Breaking free | 2013 |
| What I wanted to say | 2014 |
| Happy me | 2015 |
| Beautiful restriction | 2015 |
| I guess | 2015 |
| Sing for u | 2017 |
| What more do you need to say |
2017 |
| Here I am | 2020 |
| Thorn | 2021 |
