The band released their 13th single, "Shinseiki no Love Song" (新世紀のラブソング Love Song of the New Century), on December 2, 2009, which featured a DVD of songs from the group's appearance at Jisan Valley Rock Festival earlier in the year. At the same time, the band announced that at the end of March 2010, they would be releasing a new single titled "Solanin", which was to be used as the theme song to the film of the same name. The single featured a remix of "Mustang" from Mada Minu Ashita ni, which was a studio mix of the version played on Eizō Sakuhinshū Vol. 6. The track was also used as the ending theme to the movie.
In January 2010, Gotoh posted an entry into his diary stating that they had recorded a Japanese version of The Rentals song "A rose is a rose". In February 2010, the band spent 2 weeks in New York, in which they recorded 2 songs. In the same month it was announced that the band would provide the opening theme for the anime The Tatami Galaxy, which features character design from Yusuke Nakamura, the same artist who illustrates the Ajikan CD covers. The song was titled "Maigoinu to Ame no Beat" (迷子犬と雨のビート A Stray Puppy and the Beat of the Rain).A single release is to follow.
In April 2010, Gotoh posted an entry into his diary stating that the band's 6th full length album would be released in June 2010 with the title "Magic Disk"(マジックディスク Majikkudisuku).


