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

Singles

1. "Hanabira" (Petal) (2011)
2. "Hanataba" (Bouquet) (2011)
3. "Omoidasenakunarusonohimade" (Remember That Day) (2011)
4. "Koi" (Love) (2012)
5. "Nitiyobi" (Sunday) (2012)
6. "Watagashi" (Cotton Candy)(2012)
7. "Aoiharu" (Blue Spring) (2012)
8. "Takanenohanakosan" (Hanako on the elderly) (2013)

Albums

Short albums

1. Nogashitasakana (Missed Fish) (2009)

Long albums

1. Atonomaturi (Notchim Time) (2010)
2. Supasuta (Superstar) (2011)
3. Blues (2012)
4. Love Story (2014)