their first compilation album, Feedback File on October 25. Rather than featuring hit singles, the nostalgic album was primarily compiled of B-sides, live performances, and old demos from their early indie days. Even though it retained little new material, the compilation was met by commercial success and managed to debut at number two on the Oricon charts. AKFG then went on a two-month arena tour entitled, Tour Sui Cup 2006-2007: The Start of a New Season. Well over 100,000 fans attended this tour, which traveled through eight cities and featured guest performances by bands from Japan and the United States. In the midst of the tour, AKFG was commissioned by the director of the then-upcoming anime film, Tekkon Kinkreet, to compose a theme song for the movie. The band created a song called, and released it as a year-end single prior to the film's debut. As a sign of their increasing cultural prominence, the band came to be parodied in a volume of the popular Hellsing manga by members of the Vatican named, "The Vactikung." 2007–2008: Withdrawal and World World World On March 21, the band released another live DVD, Eizō Sakuhinshū Vol. 3 that contained footage of their previous tour. Although they took part in various domestic summer festivals, AKFG gradually became more and more withdrawn over the course of 2007 before halting appearances almost entirely, including the lack of their annual Nano-Mugen festival. Nevertheless, the band released the single "After Dark", which debuted in the top ten on the Oricon charts and was used as the seventh opening for the anime series Bleach. In March of the following year, the band released their next album, World World World, accompanied by the single . Despite the lack of media appearances and the significant timespan between releases, the album debuted at #1 on the Oricon album chart. Just a few months after the album's release, Asian Kung–Fu Generation released their second major-label EP, Mada Minu Ashita ni, on June 11, 2008. The mini-album features songs conceived around the time of the recording of their preceding full-length album. Although the EP spawned no singles, the song "Mustang" managed to peak at number fifteen on the Japan Hot 100. The song was the band's very first entry on the newly established chart. 2008–2009: Surf Bungaku Kamakura The band appeared as a supporting act for a show held at Yokohama Bay Hall by