The impact of Britain's vote to leave the European Union has been felt by businesses at home and abroad, and London-based sellers of Japanese food are among those reeling from the resulting shift in exchange rates.
The pound fell nearly 15 percent against the yen after the national referendum in June, and three months on, the currency's continued weakness is driving up the price of Japanese groceries in the capital.
The industry is also facing uncertainty over whether Britain will adopt new import regulations after it leaves the EU.