JiLL-Decoy association is a Japanese jazz band formed in 2002 by chihiRo (vocal), towada (drums) and guitarist kubota. They made their major label debut in June 2006 with the single "like ameba". After "Jolly Jolly/Ironie" and "Ring", they released their first album "Zildeco" in April 2007, followed by "Zildeco 2" in 2008 and "Zildeco III" in 2010. In 2012, the 10th anniversary of their formation, they released three commemorative albums, "Lovely", "Lining", and "DECADE". 2013's 5th album "Zildeco 5" was nominated for the Excellent Album Award at the 55th Japan Record Awards. 2016 saw the release of their first best album "THE BEST SELECTION -A to J-" was released. 2019's 9th album "Zildeco 9 - GENERATE THE TIMES" was released, after which kubota left the band in the same year. After that, chihiRo's solo activities, they released their 10th album "Zildeco 10 ~double~" in 2023, but announced an indefinite hiatus in June 2024.