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The girls were declared the official endorsement models for the station on June 13, visiting the Jamsil baseball stadium with the police station staff and carrying out events for citizens nearby the stadium. Cosmic Girls also put on a guerrilla performance of their latest title song "Happy", their former title track "I Wish", and more for the spectators who showed up!

The Seoul Songpa Police Station said, "Like the title of their song 'Happy', Cosmic Girls are appropriate endorsement models to bring happiness to the citizens of this area." 

Check out Cosmic Girls's energetic performance wearing matching police uniform, above!