On December 1, the group released their debut single album, "Eleven", led by the single of the same name. The song is an energetic and rhythmical dance pop filled with diverse accompanying variations that expresses the love of a girl, having their hearts filled with fantasy and colours.[1] The group made their broadcast debut on KBS2's Music Bank on December 3 to perform "Eleven".[2]
Commercial performance[]
The single debuted at number three on the South Korean Gaon Album Chart for the week ending December 4, 2021.[3] The album dropped to number four the following week and stayed at the position for two consecutive weeks. The following week the album jumped three spots to number one becoming the group's first chart topping album in their home country.[4] The album sold 268,396 copies in December debuting at number 3 on the monthly albums chart.[5] With less than a month of tracking the album became the 49th best selling album in the country and the tenth best selling album by a female artist or group in the country in 2021.[6]
^Gong, Mi-na (December 3, 2021). "'뮤직뱅크' SF9, 출연 없이 1위..장원영, 아이브로 데뷔[★밤TView]" ['Music Bank' SF9, 1st place without appearance... Jang Won-young, Ibro debut [★Night TView]] (in Korean). MT Star News. Archived from the original on December 6, 2021. Retrieved December 6, 2021 ��� via Naver.