JAM Project brings an album to commemorate the 20th anniversary of their career! Included tracks are produced by members and composers respecting JAM Project. Includes "Returner - Fukkatsu no Legend -" (main theme song of "Battle Spirits Saga Brave"), "Freaking out! - Fukkatsu no Oi Punk -" (intro theme song of PS4/X Box One game, "ONE PUNCH MAN A HERO NOBODY KNOWS") and more for 14 tracks in total (subject to change). *This album is not included in "JAM Project 20th Anniversary Complete BOX (LACA-9700).