Recently, NCT’s Renjun has been exposing sasaeng’s personal information through the fan app Bubble. Earlier this month, he revealed the account handle of a sasaeng selling the group members’ personal information. A sasaeng is an obsessive fan who invade the privacy of Korean idols, drama actors, or other celebrities. | @linpopcorn/X And since you tried…
 They have gone through hours of abuse and calls.Â