: The Title ID is often paired with DLC IDs (like the Expansion Pass) for update management. For instance, the major DLC story, Cindered Shadows , is a significant "solid piece" of added content that integrates directly with this base game ID.

: Delete incomplete saves or restore from a backup.

This is part of a standard Title ID. It likely indicates one of the following:

Fire Emblem Three Houses -010055D009F78000- -1....
Fire Emblem Three Houses -010055D009F78000- -1....