Seoul – Shekinah Yawra had no other option but to spend the night at a South Korean jjimjilbang, a 24-hour bathhouse, after every hotel near central Seoul sold out in late March.But sleep was secondary for the 32-year-old Filipino who had made her way to Seoul’s Gwanghwamun Square at 7am to secure a spot in a crowd that city officials estimated would grow to hundreds of thousands.Recommended Stories list of 4 itemsend of listAll this was for a glimpse at the seven-member K-pop supergroup BTS, who returned to the stage on March 21 after almost four years away from the limelight for their staggered, mandatory military service.Though she failed to secure one of 22,000 free tickets for BTS’s first return concert in the square, Yawra was still ecstatic to stand on the sidelines and watch the concert live on a big screen set up for the occasion.“We all came just for this,” she told Al Jazeera, recounting how friends had flown in from the Philippines for a single night to catch the concert.Worldwide, more than 18.4 million viewers tuned in for the Netflix livestream of the concert. Kpop group BTS perform during ‘BTS The Comeback Live Arirang’ concert in central Seoul, South Korea, March 21, 2026 [Kim Hong-ji/Pool/Reuters]With an estimated 30 million fans worldwide – who refer to themselves as the BTS ARMY – the K-pop group is the most visible symbol of “Hallyu”, or the “Korean Wave”, and the global surge of interest in South Korean popular culture and the financial revenues bein …