South Korea’s National Pension Service was drawn into unexpected K-pop backlash after fans, angered by Heeseung’s departure from Enhypen earlier this month, flooded one of its call centers with complaints. The state pension operator — which runs one of the world’s largest pension funds, with assets exceeding 1,600 trillion won — is a major shareholder in Hybe, the parent company of Enhypen’s management agency, Belift Lab. Kim Sung-joo, the NPS chief executive, said in a Facebook post on Wednesda