If you visit a Japanese convenience store (Konbini), you’ll be overwhelmed by the rows of “Onigiri (Rice Balls)” lining the shelves. Among them, the filling that has enjoyed unwavering popularity as the undisputed number one for years is “Tuna Mayo (Tuna Mayonnaise)”.This flavor, combining tuna and mayonnaise, is practically Japanese soul food. Now, the legendary product that perfectly recreated this classic taste in a crispy potato snack is making its return. Calbee’s popular brand “Jagarico” will release ‘Jagarico Tuna Mayo Flavor’ exclusively at convenience stores nationwide starting Monday, January 26, 2026.Responding to passionate fan demand, the flavor hailed as “the best in the series’ history” during past test sales and limited-time releases is returning to store shelves.
Perfectly Recreating the Taste of Convenience Store Onigiri
This product captures the taste of “Tuna Mayo,” the undisputed favorite in the convenience store onigiri world, using a unique manufacturing process. It delivers the signature Jagarico texture: “first crispy, then crunchy.”This product actually began with a test sale of the L size in July 2023, and was highly praised on social media and elsewhere when it launched in March 2025. The response at the time was overwhelming, with many fans saying things like “This might be my favorite Jagariko flavor ever” and “I was moved that even the aftertaste was completely tuna mayo.” It truly is the long-awaited encore release fans have been waiting for.
Basic Information and Sales Area
The release date is Monday, January 26, 2026. The price is open, but it is expected to sell for around 200 yen (approx. 1.30 USD) including tax at stores. The net weight is 52g (1.8 oz). It will be sold at convenience stores nationwide in Japan. Please note that some stores may not carry it, and the release date may be delayed in certain areas.
The “Umami of Tuna” and “Tang of Mayo” that Surge with Every Bite
The standout feature of this product is undoubtedly its high level of authenticity. Using “Tuna Mayo Flavored Flakes” means that with each chew of the stick, the distinctive umami of tuna fills your mouth, followed by the pleasant tang of mayonnaise that lingers on the palate.The simple flavor of potato and the richness of tuna mayo are, needless to say, a perfect match. Its level of perfection is so high it almost creates the illusion of eating a real rice ball. Yet, thanks to Jagariko’s signature stick shape and light, crisp texture, it also has an addictive quality that makes you keep reaching for more.
Refreshing Border Pattern as a Marker
The packaging design is also meticulously crafted. To instantly convey the flavor, a large, appetizing photo of tuna mayo is prominently placed in the center. The background features a vibrant light blue and white border pattern, representing the “sea” where tuna originates and the refreshing quality of mayonnaise. The result is a pop, clean design that instantly catches the eye on convenience store snack shelves.
A Challenge for a Brand Loved for 30 Years
Jagariko, born in 1995 with the concept of “a snack high school girls can carry in their bags,” celebrated its 30th anniversary in 2025. While numerous flavors have been developed over its long history, this challenge to recreate the “tuna mayo” found in Japan’s iconic convenience store rice balls showcases the brand’s playful spirit and proven capabilities.It excels not only as a snack but also as a light meal when you’re peckish or as a perfect accompaniment to drinks. Its slightly richer seasoning makes it especially ideal paired with carbonated drinks or beer. Available only for a limited time and while supplies last, we recommend grabbing it immediately if you spot it in stores during your stay in Japan. Experience the miraculous fusion of “onigiri tuna mayo” and “Jagariko’s texture” for yourself.
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