They feature the high-fidelity SHM-CD format (compatible with standard CD player) and remastering in 2015. In addition to that, two of them ("Angel's Egg" & "You") includes bonus track(s) and the rest will be released as cardboard sleeve reissues for the first time. This series features the following albums "Angel's Egg," "You," "Shamal," "Gazeuse!," "Expresso 2," and "Live Etc."