[5] After more than 3 years of training in singing and holding several small size concerts, the Brown Eyed Girls released their debut album Your Story in South Korea in February 2006, with the ballad track, "Come Closer" as their single.

[8] During 2009, her popularity began to increase after she started appearing on many entertainment programs, including Heroes and Invincible Youth, on which she gained the nickname "Adult-dol" (성인돌).

Narsha made her acting debut through MBC's drama series Lights and Shadows playing the role of singer aspirant Hye-bin,[12] followed by Ohlala Couple as Moosan, the goddess of love.

[13] In 2012, she also provided the voice for the main antagonist The White Wolf in the Korean version of Christmas movie Niko: Santa Air Wing's Adventure.

[14] The album contained a preview for "Mamma Mia", a collaboration with, at the time, fellow Nega Network group Sunny Hill, which was released fully on August 20.