Back Number

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.

Members
 Iyori Shimizu: vocal and guitar back number
 Kazuya Kojima: bass and backing vocals
 Hisashi Kurihara: drums

Discography
Singles
 "Hanabira" (Petal) (2011)
 "Hanataba" (Bouquet) (2011)
 "Omoidasenakunarusonohimade" (Remember That Day) (2011)
 "Koi" (Love) (2012)
 "Nitiyobi" (Sunday) (2012)
 "Watagashi" (Cotton Candy)(2012)
 "Aoiharu" (Blue Spring) (2012)
 "Takanenohanakosan" (Hanako on the elderly) (2013)

Albums
Short albums
 Nogashitasakana (Missed Fish) (2009)

Long albums
 Atonomaturi (Notchim Time) (2010) 
 Supasuta (Superstar) (2011)
 Blues (2012)
 Love Story (2014)

Category:J-pop music groups