Talk:Shop/Purchasing/@comment-88.70.53.143-20150821170740/@comment-26091666-20150821223051

It isn't difficult and is somewhat a standard for online transactions - to use credit card when it comes to purchasing items.

They probably don't trust paypal, paysafe, bitcoin, etc is because:
 * These two respective entities are "foreign" to Japanese companies.
 * There is a language barrier which can pose all sorts of problems when it comes to handling conflicts if and when disputes arise.
 * Other differing policies between countries and their respective entities which may ultimately conflict with how transactions are dealt with.

I am not from DMM and I do not know their exact reasons. Instead of contemplating the reasons why, I believe you should be flexible yourself - after all you are playing a Japanese game, which was built by Japanese FOR Japanese. If you can't be that accommodating then welp I can't help you.