When Jaejoong, Yoochun, and Junsu started their lawsuit against their management, 120,000 Cassiopeia members filed a petition with the Seoul District Court in 2010 against S.M. Entertainment's long-term contracts.
Saat Jaejoong, Yoochun dan Junsu mulai melayangkan gugatan mereka kepada agensi, 120.000 anggota Cassiopeia mengajukan petisi kepada Pengadilan Distrik Seoul pada tahun 2010 terhadap kontrak jangka panjang S.M. Entertainment.