Searching around the web about a possible fix to DLC being deleted after going to eShop I came to a forum talking about the matter and with a couple of users saying they aren't affected about it.
I came to a conclusion, Nintendo may be keeping a record of your legally downloaded DLCs linked to...
Seems Supercard team updated their firmware of DsTwo (1.20) to support 6.0
http://forum.supercard.sc/thread-9465-1-1.html
Edit: Tested and working perfectly! Have fun people!!!!
@Xdqwerty you are not dumb or stupid, you need to stop saying that, you are very smart, even about alot of things I have no clue about. We all love you here, like a big family.
Only thing drive me crazy is all these new horror games nowadays is its so dark, all time. I can't even play them. I understand they trying to create spooky but be creative a little, not just darkness with pop out scare scenes.