You can make a luxurious nigiri sushi in your own kitchen!
This recipe has been adapted by the COOKPAD staff from the comic "Cooking Papa," which is updated every Wednesday (Chapter 975, Volume 101.)
The key is to not overcook the clams. Cook until they just start opening up. The special vinegar is a mixture of 1 part water to 3 parts vinegar.
Enjoy Japanese food around the world.