>>66008There are many reasons for this, it may or may not related to Kemono at all
Ask yourself:
1. Is your card a debit or credit? If it's a credit card, it should work, otheriwse see no. 2
2. Is your debit card a prepaid debit card or a regular debit card? If your card is a prepaid debit card, it's expected that it sometimes doesn't work EVERYWHERE, otherwise your bank might have a poor reputation