India, June 9 -- The city of Seoul has always pulsed with the rhythm of K-pop, and this June, it beats to the heart of seven brothers coming home. As BTS nears its long-awaited reunion, the streets of South Korea's capital have become a living love letter from ARMY to their idols. Towering banners flutter from rooftops, subway stations glow with purple hues, and the city breathes a message loud enough for the world to hear: "BTS IS BACK."

Seoul's skyline is now dotted with tributes - some sleek and commercial, others handmade with glitter and heart. According to the numerous tweets and posts on social media, it's hard to take a walk through the city without seeing the band's smiling faces or a heartfelt slogan declaring things like: Gold...