Cube Entertainment has lodged a complaint with the prosecution office for the illegal leak and circulation of B2ST's new music. �

The legal circles have revealed on June 26 that the agency lodged a complaint two days earlier at the Seoul Central District Prosecutor's Office, claiming a violation of copyright law through the illegal circulation of the music from B2ST's sixth mini-album 'Good Luck.'

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Supposedly, on June 14, two days before the release of the album, the songs were leaked. �Attorney Son Su Ho told StarNews, "The agency came to understand the leaked course and the exact account of the situation, so filed a complaint. �Not only will a strict legal responsibility be enforced but this will also be taken care of in a firm manner."