Korean girl group Girl’s Day debuted in July 2010 with their mini-album Girl's Day Party 1. The four members revealed that they will release their first full album, Expectation, on March 15th.
The album will include fourteen songs with previous singles Twinkle Twinkle, Don't Forget Me and Don't Flirt. It was also reported that members wrote the lyrics for I Don’t Mind, and member Sojin composed the intro of the album, Girl's Day World.