Instagram/BTS Music BigHit Music sues to unmask leaker of BTS's ARIRANG album. Legal action targets X user for pre-release content, copyright violations. April 14, 2026 AceShowbiz - BigHit Music, the label behind BTS, has launched legal action to uncover the identity of an anonymous user who leaked material from ARIRANG before its official release. On Thursday, April 9, BigHit Music, a subsidiary of HYBE, filed a petition in the United States targeting the X account @jwngkcck.