What is it?
The Yuraku Black Thunder Chocolate Bar is one of Japan’s most iconic chocolate snacks. Known as “Choco Bar Japan”, it combines crunchy cocoa biscuits and puffed rice coated in smooth milk chocolate, delivering a bold, lightning-strike flavour and texture. Popular among Japanese students, office workers, and snack lovers, it’s the go-to chocolate bar for an instant energy boost.
Snack Affair Review
If Tim Tams represent Australia, then Black Thunder is Japan’s answer to the ultimate chocolate treat. With its crunchy, crumbly centre and rich chocolate coating, every bite feels like an indulgent mix of cookie and chocolate crackle. Snack Affair customers love it as a quick snack with coffee or tea — and many say it’s even better chilled from the fridge!

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