Standard "Clean Opening" (OP) and "Clean Ending" (ED) animations are almost always included as bonus features on official Japanese and international releases.
The naming convention follows standard digital media archiving practices: Clean Ending 1e.mkv
Indicates a "textless" version of the closing credits, where all staff names and song titles are removed to show only the raw animation. Standard "Clean Opening" (OP) and "Clean Ending" (ED)
Fans often extract these files from the game directory to archive the cinematic endings separately from the gameplay. Refers to the specific sequence or version
Refers to the specific sequence or version. In series with multiple endings, "1" denotes the first ending theme (ED 1), and "e" might signify a specific variant or edit (such as a TV-sized version vs. a Blu-ray edit).
An open-standard container format known for holding multiple video, audio, and subtitle tracks in a single file without losing quality. Usage in Media and Archiving
Groups like FckDubs often include these clean assets in their release packages for archival purposes.
