The second installment of the best album series featuring newly recorded versions with original arrangements, which began with the 30th anniversary release in 2023!!! While retaining the original arrangements, the songs have been updated with DEEN's current performances, creating the ultimate best album!!! This long-awaited sequel follows the hugely successful first installment, whose Music Video for "Konomama Kimi dake wo Ubaisaritai" has surpassed 35 million views. Once again, every track is a major hit single used as a tie-in song!!! Together, these two installments cover all of the singles DEEN released during the 20th century, from the 1990s through 2000!!! The new song "Happy Smile," which has attracted attention through extensively aired commercials featuring DEEN themselves, is also included on CD for the first time!!! The song was performed at their sold-out Nippon Budokan concert this April and received numerous requests from fans for an official recording. The First Press Limited Edition comes with a bonus Blu-ray containing "THE GREATEST CLIPS" and the bonus video "Road to 35th Anniversary: 35 Questions for DEEN." An application code (valid only in Japan) is enclosed.