Will Blitzers be the next BTS? Photos: AFP Thirty teenagers, thousands of hours of training, dozens of shattered dreams: it all comes to a head when the Blitzers is launched into the cut-throat K-pop market, hoping to become the next BTS. An all-male septet – like the musical phenomenon that topped the US Billboard charts last year – their three years of training are being distilled into three minutes of music and dancing that will determine whether they are a hit, or just another nowhere band. The routine, always intense, is punishing in the weeks running up to their debut: gym sessions,...