The file refers to the decrypted Nintendo 3DS ROM for Senran Kagura 2: Deep Crimson (USA region) including its Downloadable Content (DLC), specifically prepared for use with the Citra Emulator .
Right-click the .rar file and select "Extract Here." SK2DC-USA-(DLC)-Decrypted-Ziperto.rar
In Citra, go to File > Install CIA and select the decrypted DLC file included in the folder. The file refers to the decrypted Nintendo 3DS
If you encounter a "CRC Error" during extraction, the download may be corrupt and require a re-download. Below is a breakdown of the content and
Below is a breakdown of the content and how to use it based on standard releases from Ziperto : Game Overview Senran Kagura 2: Deep Crimson Developer: Tamsoft Publisher: Marvelous Release Date: August 7, 2014 Genre: Adventure-Visual Novel / 2.5D Side-scrolling Brawler Platform: Nintendo 3DS (Decrypted for PC/Citra) File Details Archive Format: .rar (requires WinRAR or 7-Zip to extract).
Contains the base game ROM and the DLC files, both pre-decrypted so they do not require external AES keys to run on an emulator.