On the afternoon of September 9th, the agency PlayM Entertainment released a video of KIM NAM JOO's solo debut song 'Brid' choreography practice through Apink's official SNS and fan cafe.

The choreography is a group dance that exquisitely expresses the precipice of a cliff that is part of the lyrics and hand movements that symbolize the movement of a bird's wings, and properly embodies the concept of the new song 'Bird. KIM NAM JOO, which exudes the overwhelming force of a 'single-haired female warrior', as if breaking out of an egg, presented a surprise by completing a performance with exceptional dance skills and rich expressive power.