I've been here for awhile and this is rather noob question and my googling failed me...
all the file names like 172GRJ319 etc...who/what site generates them?
Some I get them via dlsite's name like RJ266386198 but where does GR/VR file name series come from?
all the file names like 172GRJ319 etc...who/what site generates them?
Some I get them via dlsite's name like RJ266386198 but where does GR/VR file name series come from?