I did a little research and it turns out that all the CD's I purchased (from ShopSPHiatt) are bootlegs from Taiwan. :dunce: The labels are K-O Records and Miya Records both of which are Taiwanese labels that produce nearly identical bootleg copies of Japanese media. (Thanks for the link Kirin...
I've used ShopSPHiatt before and had no problems with them. I purchased quite a number of video game and anime soundtracks from them. I don't know about their DVDs but the CDs I purchased are legitimate. (Though actually since I don't know much about the bootleg industry, I suppose it is...