Secret was a South Korean K-pop girl group formed by TS Entertainment in 2009. The group originally debuted with four members: Jun Hyo-seong, Jung Ha-na, Song Ji-eun and Han Sun-hwa. They released their debut single I Want You Back October 2009. Secret's debut single did not meet great success and it was not until the following year that the group saw a rise in popularity. In 2010, Secret released two singles Magic and Madonna which earned much attention with both singles peaking at No. 2 and No. 1 respectively on the Gaon Digital Chart. With the success of "Magic" and "Madonna", the group received the "Newcomer Award" at the 25th Golden Disk Awards.
In 2011, Secret adopted a girl-next-door image through songs like Shy Boy and Starlight Moonlight which led the group to major success. With the hit single Shy Boy Secret won their first music show award on M Countdown; they also managed to stay at number one on Music Bank for three consecutive weeks, earning them a triple crown. Shy Boy and Starlight Moonlight won Secret multiple awards including two Song of the Year awards at the 1st Gaon Chart Awards for the months of January and June.