So if the problem is that you need to have the downloaded DLC, this could still work on something like shared accounts on the same console?
Buy the pass in account A, download, log out, log in in account B, get the pass from
>>43906319.
Or just get the DLC files, for example if you have the cartridge, you can't put the DLC to download in an external SD card, then upload that into the Internet, and anyone can download the DLC files and then do
>>43906319.