Ukraine's economy is battered by Russia's full-scale invasion, but its consumer economy is still running — especially the country's popular sushi restaurants, where cream cheese is a key ingredient.

Viral videos showed 21-year-old Yoshino Ryoga putting his saliva on utensils and sushi and licking the spout of soy sauce bottles at a conveyor-belt sushi restaurant in Nagoya City.

The public's reaction to reports of one customer defiling utensils at sushi eateries suggests it's a brazen assault on two things of which Japanese are very proud, their sushi and their manners.