"Feedback File 2" (フィードバックファイル2) is slightly different than "Feedback File" (フィードバックファイル), it features B-sides CD singles plus the songs from "Nano Mugen Compilation 2006" to "Nano Mugen Compilation 2012" and two exclusives songs "Rolling Stone" (ローリングストーン) and "Slow Down" (スローダウン), given at their 10th Anniversary concert held in Yokohama Stadium.
The simplicity and normal behaviour make Asian Kung-Fu Generation different from others Japanese bands. Their appearance on television is scarce and they are more concerned about their works than their image. Since the Fukushima's nuclear disaster, Asian Kung-Fu Generation is involved in favour of the definitive nuclear power stations shut down. Despite an agreement made with Ki/oon Records (Sony), the whole Asian Kung-Fu Generation's discography is financed by the band itself, allowing them to be musically independent towards the label.