I am always amazed by how the japanese are often times very willing to experiment and be inventive in terms of melding their own culinary culture with foreign ones, considering the isolationist and conservative history and reputation they have overall as a people.
To me, that simply says that food really is one of the universal languages.
I’d love to try this dish if just for experimentation, although I suspect it wouldn’t be something I’d have more than once lol
There are plenty of pasta dishes and sauces that use cream, and while sour cream is not used in italian cuisine I think it tastes amazing :)
So I can absolutely see sour cream working in pasta