The second installment of the all-songs newly re-recorded best album with original arrangements commemorating the 30th anniversary, released in 2023!!! Keeping the original arrangements as they are, this is the ultimate best album updated to DEEN's current performance!!! A long-awaited sequel to the hit album whose Music Video for "Kono Mama Kimi dake o Ubaisaritai," included in the first installment, recorded over 35 million views. This time's tracks are all hit singles with tie-ins!!! All of DEEN's singles released in the 20th century, from the 90s to 2000, are covered in this two-part work!!! Furthermore, the new song "Happy Smile," which is a hot topic with the artist's own commercials airing heavily, is recorded as a sound source for the first time!!! This song was also performed at the sold-out Nippon Budokan concert held this April, and was one for which fan requests to release it as a recording flooded in.