SEE ALSO: SPICA decides 'You Don't Love Me' in their retro single

The retro song and concept are the second produced by their labelmate and sunbae Lee Hyori�following "Tonight". However, this was the first time that Lee Hyori took part as a producer, lyric writer, and composer.�

Did you enjoy SPICA's pin-up girl concept? Watch their 'goodbye' video above, and stay tuned for news about their next comeback!