Since then, she continued her active singing career with songs such as Aurora, Eyes, V.I.P, GoGoGo, Queen, and Mad.

Apart from recording and performing songs, she has established herself as an actress, notably through her participation in the original and Korean versions of stage musicals including Notre-Dame de Paris, 200 Pounds Beauty, Legally Blonde, and Mozart!.

[2] In lectures aimed at youth, she has shared her humble beginnings and encouraged students not to let their backgrounds hinder their pursuit of dreams.

[6] In 2003, Bada released her debut solo album A Day of Renew that has sold approximately 130,000 records, according to the Music Industry Association of Korea.

[7] It was written for her by creator and producer Lee Yu-ri, who is also responsible for other musical projects such as Typhoon, Mother and Winter Sonata.

In 2007, Bada was cast in the role of Denise in the Korean version of Andrew Lloyd Webber's Tell Me on a Sunday.

[9] Right afterward, she took on the role of Esmeralda as a part of the original Korean cast of Notre-Dame de Paris.

In 2009, Bada released her fourth album called See the Sea which featured both Korean rap group Untouchable and 2PM's Ok Taec-yeon.

The following year, 200 Pounds Beauty, a musical based on the popular movie of the same name, cast Bada in the titular role of Kang Han-byul, an overweight ghost singer who aspires to become a star and undergoes extensive plastic surgery.

[27] They started their project of the 20th anniversary debut with released digital single "Love[Story]", a remake of their 1999 single "Love", through SM Entertainment's digital project SM Station on November 28[28] and its music video released on December 29.

[29] In early December 2016, they aired their ten episode reality show Remember, I'm Your S.E.S., which broadcast through mobile app Oksusu.

To accompany their 20th anniversary debut, they held a concert Remember, the Day, on December 30 and 31 at Sejong University's Daeyang Hall in Seoul.

Bada successfully held her solo concert for the 20th anniversary debut, Twenty Steps, on December 31, 2017, at the grand hall of Unjeong Green Campus at Sungshin Women's University.

On January 13, 2017, her agency confirmed that she would marry a franchise restaurant owner eleven years her junior.