This would help in providing a specific review of the content itself.
RJ codes are typically used for voice dramas (ASMR), independent games, or doujinshi. RJ233250.zip
Use a security tool like VirusTotal to check the .zip before extracting it. This would help in providing a specific review
Most likely DLsite , a major digital storefront for independent (doujin) creators. RJ233250.zip
Only open the file if it was purchased from a reputable store like DLsite.