Back Number (バックナンバー) is a Japanese rock band. It started in 2004. After several line-up changes, the current band has been together since 2007. They are signed to Universal Music. Their most successful album, Superstar, reached Number 4 on the Japanese charts in 2011.
Iyori Shimizu: vocal and guitar back number
Kazuya Kozima: bass and backing vocals
Satoshi Kurihara: drums
Nogashitasakana (Missed Fish) (2009)
Atonomaturi (Notchim Time) (2010)
Supasuta (Superstar) (2011)
Love Story (2014)