Career
She made her entertainment debut in 2002 when she was only 15 years old under her real name Oh Haet-nim, with the band LUV alongside Jo Eun-byul and Jeon Hye-bin. They released their first album "Story" that year, which included the singles "Orange Girl" and "I Still Believe in You."
Oh then shifted to acting, and her popularity rose in 2012 with her roles in My Husband Got a Family and Here Comes Mr. Oh. Oh played Shin Yool, the last princess of Balhae in the 2015 drama Shine or Go Crazy with Jang Hyuk, a fictional romance between a cursed Goryeo prince and the last princess of Balhae, born with the fate of becoming the light for another country.