sentences:  In 2003 the trio disbanded when Junsu went on to debut as a member of TVXQ.Eunhyuk and Sungmin were then placed in another project group with ten other male trainees, "Super Junior 05", the first generation of rotational boy band Super Junior.Eunhyuk officially debuted as part of 12-member project group "Super Junior 05" on 6 November 2005 on SBS's music programme "Popular Songs", where the group performed their first single, "Twins (Knock Out)".