Rj01222312 ⇒
The string appears to be an identifier following the pattern of a "RJ" prefix followed by numbers, which is commonly used for doujin works (such as audio, games, comics) sold on platforms like DLsite .
The string appears to be an identifier following the pattern of a "RJ" prefix followed by numbers, which is commonly used for doujin works (such as audio, games, comics) sold on platforms like DLsite .