Amid thunderous applause, the five boys of K-pop group TOMORROW X TOGETHER (TXT) emerge from a sea of fog, surrounded by a cloud of smoke and ushered in by pounding drums. Soobin, Yeonjun, Beomgyu, Taehyun and Hueningkai bring you directly to the eye of the storm, as unnerving synths fill your senses. The opening song “Storm Is…” sets the tone for the whole concert, almost like a signal of the whirlwind that’s about to come. The same track also opens TXT’s 9th mini album, “Perfect Storm,” set to drop Monday at 6 p.m. On Sunday, the quintet kicked off their fifth world tour, “Steal The Wind,” with three sold-out shows at southern Seoul’s KSPO Dome, while also giving 32,000 fans a preview of their upcoming EP. Foregoing the usual K-pop concert fare of an opening video and talking sections, TXT takes on a new challenge in “Steal The Wind,” with a setlist that flows like a musical with sparse breaks. “Since it's our fifth tour, there were fixed routines, so this time we boldly stripped those away and built a setlist like a storm,” leader Soobin said. “Steal The Wi