Girl group f(x) member Luna will appear in the music video of Play the Siren, SM Entertainment's indie label BALJUNSO' s global project team.

Luna will feature in Play the Siren's debut album title song "Dream Drive" and capture fans' eyes with her music video appearance.

The teaser clip of the music video was released today on BALJUNSO and SMTOWN's Youtube channels on July 17.

The music video teaser clip carries scenes of Play the Siren and Luna's relaxed vacation; the fancy clip also uses a projection mapping technique for its visuals.

Play the Sirent's debut single album Dream Drive will be released on Melon, Genie, and Naver Music on July 21.

Meanwhile, Luna is actively promoting "Red Light," title song of f(x)'s third album.