"The scene where the 'Golden' music video teaser is unveiled on the large outdoor screen at COEX K-POP Square (Samseong-dong, Seoul). The media facade at the entrance of Starfield COEX Mall serves as the backdrop for the movie's media event."
A scene demonstrating that music and media are critical pillars in the K-Pop Demon Hunters universe. The actual COEX media facade equipment serves as the practical reference for the film's rendering.