If you’ve never had Omuraisu (omelet + rice), then you’re totally missing out. It usually has ketchup-based chicken fried rice inside, and there’s a whole art to how to make the egg on the outer shell perfectly soft and fluffy. In Japan, there are restaurants that specialize in Omuraisu and TV shows dedicated to the art of making the perfect prototype.
The one in the picture is pretty obviously fake. It’s actually a mouse cover from creative gadget company Solid Alliance. And as you can see from the series of pics below, there are many different ways that you can have fun with it.