3-fold digipack packaging with booklet and spine card.
The track listing is different from the LP version.
Also bears the references:
- LOB-001
- COCOON SEIRA distribution XQDF-1003 on spine card
The title “黒斑の侵蝕” means “Erosion of the Black Speckle” in English or “Erosion der schwarzen Flecken” in German.