Read these (especially sections on Canada):
http://en.wikipedia.org/wiki/Cartoon_pornography#Canada
http://www.animenewsnetwork.com/news...es-words-worth
http://www.escapistmagazine.com/foru...scene-Material
There is money in it. I had someone want to buy a .com from me some weeks ago. He got the .net and I now get +120 (and still growing) type-in visitors daily. I don't know why he didn't get the .com, but I'm not unhappy.
I think that after reading these, you may opt for other more secure niches as I did.