Plenty was a Japanese indie rock band formed in 2004 in Ibaraki Prefecture by Fumiya Enuma on vocals and guitar, Noriaki Nitta on bass, and Hiroki Yoshioka on drums. Initially, the band included a female schoolmate as vocalist, but she left upon graduating junior high school, leaving Enuma as the main vocalist. Plenty began performing in live houses in 2008 after relocating to Tokyo, making their first public appearance at Rockin'On Inc.'s Countdown Japan 08/09. Their debut mini-album Haikei. Minasama (拝啓。皆さま, Dear Everyone) was released in 2009. The band's lineup changed in July 2011 when drummer Yoshioka announced his withdrawal, and Itta Nakamura joined as a formal member in August 2014. The band went on to release several EPs and singles, such as life in 2016. Plenty embarked on their final tour, plenty Last Tour Aoki Hibi, in June 2017, and officially disbanded in September of the same year. Following the disbandment, Fumiya Enuma started a solo career with several concerts, tours, and releases.