Daon (다온) is a South Korean singer. She is a member of the girl group DAONBIN and a former member of Baby Boo.
Daon officially debuted as a member of the girl group Baby Boo on June 5, 2015, with the group’s first release “Boo Boo Boo”. On July 17, 2018 together with Dayul, they announced their departures from Hyunda Company and that they will be reforming as a duo under the name DAONBIN.
Source: kpop wiki