After a hiatus of nearly four years due to military service, the return of K-pop global sensation BTS is highly anticipated. Massive preparations — akin to gearing up for a national event — are underway for Saturday's comeback concert at Gwanghwamun Square near Gyeongbok Palace, with 22,000 tickets given away and 260,000 people expected in the vicinity of the concert. The presence of foreign visitors has heightened in the past week, introducing a diverse and upbeat energy downtown. Purple lights beam out from various spots, recalling another "invasion of color." In 2002, Korean fans wore red jerseys to support the national team and express their love for soccer during the World Cup jointly hosted by South Korea and Japan. The massive scale of preparation is fitting for the septet. Since its debut in 2013, the group has grown and expanded their influence to achieve unprecedented milestones, including performing at the Grammys and speaking at the United Nations. Through their songs, which feature all seven members either writing lyrics or composing music, they forge a connection with