The prefix RJ indicates that this is a digital product intended for a general or adult audience, typically found on the DLsite platform.
Because these files are often created on Japanese systems, the filenames inside the archive may appear as gibberish (mojibake) if extracted on a non-Japanese OS. Using a tool like Locale Emulator or setting your extraction software to "Japanese" encoding can prevent this. hentaku.info_RJ01019874.rar
To access the contents, you will need a utility that supports .rar files, such as WinRAR or 7-Zip . The prefix RJ indicates that this is a