Twins is the eponymous debut studio album of South Korean boy band Super Junior 05, now known as just Super Junior. It was released on 5 November 2005 by in SM Entertainment. It includes their first #1 radio single, "Miracle" and debut single, "Twins (Knock Out)". The album sold over 100,000 till now. It peaked at 3rd on the MIAK K-pop albums chart, selling 28,536 copies in the first month of release.