This one is the Adorable Japanese Playing Cards. We can see there is a dog in the cards. It should be a short story of a cute dog. We can see in each cards, the footprint of the dog will change with the change of numbers.
Hwatu is the most famous playing card set in Korea and Japan. We can often see that people play Hwatu with their family on Korean Holiday. But there is a prejudice that Hwatu is only for adults. And there was only one style of Hwatuunlike trump cards.