Starting April 20 (Monday), 2026, the surprising new product “Chirocky” will be released sequentially at 7-Eleven stores across Japan (Japan’s leading convenience stores, known as konbini). This product is the latest creation from “Tirol Choco,” a national chocolate brand with over 100 years of history in Japan.
It features a playful visual themed after a “rock” and an affordable price of just 108 yen (approx. $0.72 USD, incl. tax) per piece. Despite its rugged appearance, it offers a mellow sweetness when eaten—a perfect example of Japan’s “gap-moe” (the charm of a surprising contrast).

The Identity of the Visually Striking “Rock” Package Design
The first thing to note is the package design, which features a powerful color scheme of red and black. The “Chirocky” logo is prominently placed in the center, surrounded by visuals of jagged, realistic-looking rocks in the background.
Japan’s Tirol Choco has surprised fans with numerous unique packages over the years. This “Chirocky” stays true to its name by pushing the “Rock” concept to the forefront. The design stimulates curiosity, making you wonder “What does this taste like?” the moment you pick it up—a true condensation of the brand’s playful spirit.
The Magic of “Bamboo Charcoal Powder” Supporting the Surprising Visuals
When you check the contents, you will likely be amazed by the realism of the “rock.” While the base is a mellow, milk-flavored dough, it is kneaded with “bamboo charcoal powder” (a charcoal powder commonly used as a natural food coloring in Japan).
Thanks to this bamboo charcoal, a gray texture reminiscent of an actual rock—hardly looking like a snack at all—has been achieved. However, contrary to its hard appearance, a gentle milk flavor spreads through your mouth with the first bite. The contrast between the exterior and the taste is incredibly unique, creating a fun experience that can become quite addictive.
Unstoppable Crunch! The Power of Black Crunch Cookies

The appeal of “Chirocky” goes beyond its looks. Meticulous attention has also been paid to its texture. The dough is filled with fragrant black crunch cookies, allowing you to enjoy a satisfying “crunchy” texture with every bite.
This powerful eating experience is perfect for a quick break or a refreshing snack when you’re a little hungry in Japan. The combination of the milk’s sweetness and the cookies’ savoriness ensures that even a single piece provides ample satisfaction. It truly achieves a bold texture worthy of its “rock” appearance.
Product Details and Points to Check Before Buying
“Chirocky,” available exclusively at 7-Eleven stores across Japan, is priced attractively enough for travelers to pick up easily.
- Product Name: Chirocky
- Release Date: Available sequentially starting April 20 (Monday), 2026, throughout Japan
- Sales Location: 7-Eleven stores within Japan
- Price: 108 yen (approx. $0.72 USD, reference price incl. tax)
- Features: Rock-like appearance from bamboo charcoal powder, mellow milk flavor, contains crunchy black crunch cookies
Please note that some 7-Eleven stores may not carry the product, and since it is a limited-quantity item, it will be discontinued once stock runs out. If you see it while visiting Japan, we recommend grabbing one early!
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