As K-pop supergroup BTS prepares for its long-awaited comeback, Seoul is transforming into a sprawling stage for the group’s return. Across the capital, businesses are rolling out themed experiences tied to “BTS The City Arirang Seoul,” a citywide initiative developed with entertainment company Hybe that invites fans to experience the comeback beyond the concert venue. Public institutions and city landmarks are also joining the celebration, turning large parts of Seoul into a temporary cultural