UNISON SQUARE GARDEN to release the first greatest hits album to commemorate the 20th anniversary of the formation. Disc 1 contains 12 songs in total, including 11 previously unreleased songs and a new song "Another World End." Discs 2 and 3 contain all 22 singles, including some remixed and re-recorded versions. This edition comes with Blu-rays with a performance from their tour "fun time 724" held in 2015 at Nippon Budokan.