Anticipation has peaked across Seoul. From subway platforms to cafe-lined streets, signs of K-pop juggernaut BTS’ impending Gwanghwamun Square performance and its vast global impact are increasingly visible throughout the capital. Light sticks protrude from backpacks, flashes of merchandise are seen as people weave through pedestrian traffic and clusters of overseas visitors move between landmarks that have taken on new symbolic meaning for the group’s worldwide fandom, called ARMY. Although the concert has yet to begin, its influence is already reshaping the city’s atmosphere, transforming central Seoul into a gathering point for a transnational community. Fans from across continents have arrived in steady waves, many describing the trip as the culmination of years of anticipation. “I became a fan during the pandemic,” said Rashika, who flew in from California and headed directly to Gwanghwamun after landing Thursday. “We followed all their solo releases, but seeing them together again feels completely different. It feels like a moment I've been waiting for.” At Gwanghwamun