K-pop supergroup BTS is seen in this photo provided by BigHit ... could be obtained for an additional fee. Obsessive "sasaeng" fans who purchased such information would board the same flights ...

After BTS took the world by storm with their recent ... to get a peek into their idols’ private lives. In South Korea, a sasaeng refers to an immensely obsessive fan who has a tendency to ...

The kiss angered other BTS fans, one of whom filed a criminal ... For example, many artists have been vocal about the stress caused by "sasaeng fans", who are overly obsessed with their idols ...

BTS's agency, HYBE, has not yet commented on ... there have been increasing instances of problematic behavior from some fans. Known as "sasaeng fans," these obsessive individuals have been known ...