Bona was a trainee of Cube Entertainment for six years before signing with Starship Entertainment in 2015. She debuted with the South Korean-Chinese girl group WJSN on February 25, 2016 with the mini-album Would You Like? featuring the single MoMoMo. Also known as the Cosmic Girls, the 13-member girl group has released several mini-albums and a studio album together.

In 2017, Bona made her acting debut in the KBS2 drama The Best Hit. That same year, she landed her first lead role in the eight-episode KBS2 drama Lingerie Girls’ Generation, which was based on Kim Yong-hee’s 2009 novel of the same name. Bona was able to use her natural Daegu accent for the drama, which is set in the 1970s Daegu. In 2018, she again starred as lead in the KBS2 drama Your House Helper, opposite Ha Suk-jin. In 2020, Bona was cast in the KBS2 family series Homemade Love Story, in which she earned the Best New Actress trophy at the 2020 KBS Drama Awards.