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Shiroi Black Thunder - FAQ

Q. Where is Shiroi Black Thunder made?

A. Shiroi Black Thunder is crafted by Yuraku Seika, a well-known Japanese confectionery company, at its factory in Sapporo, Hokkaido. This special version of the Black Thunder series is exclusively produced in Hokkaido, making it a rare treat even in Japan.

It’s not available in regular supermarkets, but you can sometimes find it at select convenience stores and airport souvenir shops in Hokkaido. No plans to visit Japan? No worries! Order online and enjoy the authentic taste of Hokkaido from anywhere in Japan.

Q. How is Shiroi Black Thunder different from the original Black Thunder?

A. Shiroi Black Thunder is a special edition coated in rich white chocolate made with premium Hokkaido milk.

The crispy cocoa cookie inside contrasts perfectly with the smooth white chocolate, creating a satisfying texture. The flavor is milky and slightly bitter, with a surprisingly light finish. Even those who usually find white chocolate too sweet say, “This one is different—it’s just right!”

Q. When is the best time to enjoy Shiroi Black Thunder?

A. Shiroi Black Thunder pairs perfectly with coffee or tea. The balance of creamy white chocolate and slightly bitter cocoa cookie enhances the flavor of your drink.

Each bar is individually wrapped, making it a great pick-me-up during work or study sessions. Need an energy boost in a meeting? (Just be careful not to make too much noise!) Looking for a late-night snack while watching movies? You might not be able to stop at just one!

Also makes a great souvenir or gift—perfect for sharing with coworkers, friends, or as a special treat to bring home a taste of Hokkaido.