Here is a simple guide on where you can buy the popular Japanese chocolate bar Black Thunder, both in Japan and from abroad.
Where to Buy Black Thunder in Japan

■ Convenience Stores
The easiest place to find it—perfect during travel.
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7-Eleven
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Lawson
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FamilyMart
■ Supermarkets & Drugstores
Great if you want to buy several at once.
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AEON
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Don Quijote (multi-packs are often cheap)
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Matsumoto Kiyoshi (available in some stores)
■ Airport Shops & Duty-Free Stores
If you forget to buy souvenirs, you can still get them here.
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Haneda Airport gift shops
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New Chitose Airport (famous for the Hokkaido-only “White Black Thunder”)
Where to Buy Black Thunder Outside Japan

Even if you’re not in Japan, you can still buy it online or at certain Asian grocery stores.
■ Online Stores (e.g., Amazon)
Availability and prices vary by region.
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Amazon: About $15 per bag (plus shipping), often low stock
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Asian supermarkets in Taiwan, Hong Kong, etc.
If you want a better price, Japanese snack specialty stores are usually cheaper.
■ BIG EAST (Japanese Snack Online Shop)
Ships internationally and is often more affordable.
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Price: Around $1 per bar (plus shipping)
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Reliable stock
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Wide selection of Japanese snacks
🔗 Shop: BIG EAST – Japanese Snacks Online Store
🔗 Product Page: Black Thunder Chocolate
Why Buy from BIG EAST?
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Offers international shipping
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Stable inventory
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Specializes in Japanese snacks, so there are many varieties
Japanese Snack Subscription Box (You Can Choose Black Thunder!)
If you live abroad and want Japanese snacks every month, BIG EAST also offers a subscription box.
Japan Popular & Trendy Snack Subscription Box
(Delivers new and popular Japanese snacks every month)
🔗 Japanese Snack Subscription Box
● Subscription Features
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Choose your main snack from 3 best-sellers:
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KitKat
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Black Thunder
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Jagarico
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Plus a selection of different Japanese snacks every month
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Enjoy limited-edition and new items—just like shopping at a Japanese convenience store
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International shipping available
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Great for gifts or for treating yourself
Perfect for anyone who wants to always include Black Thunder or follow Japan’s newest snack trends.
Summary: Where Can You Buy Black Thunder?

In Japan
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Convenience stores
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Supermarkets
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Drugstores
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Airports
Outside Japan
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Amazon
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Asian supermarkets
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BIG EAST (best variety & reliable stock)
If you want a sure option, BIG EAST is the most reliable choice.
Want to Enjoy Black Thunder Anywhere?
👉 Check out BIG EAST’s Black Thunder Collection!
Thank you for reading!
English is not my first language, so feel free to share any suggestions for improvements.
Have a wonderful trip! 🌿
