File: Mirror__dlcs.7z ... Info

Contains 48 high-resolution CGs that were not included in the base game (4 extra for each girl).

The game should automatically recognize the new content upon the next launch. File: Mirror__DLCs.7z ...

In some versions, you must complete the base game's initial character stories before the DLC characters become playable. How to Use 7-Zip to Compress Files and Extract Files Contains 48 high-resolution CGs that were not included

Find your game's installation directory (often in SteamLibrary\steamapps\common\Mirror ). Install the DLC: Move the extracted folders into the game's root directory. File: Mirror__DLCs.7z ...

Since the file uses the .7z extension, you will need a specialized tool like or WinRAR to extract it.