Kasugai Seika, a major Japanese confectionery manufacturer, will release “Tsubu Gumi PREMIUM Rich Citrus,” the latest addition to its popular gummy series, across Japan on April 6, 2026. This product is an assortment pack that luxuriously combines three types of citrus: Pink Grapefruit, Valencia Orange, and Grapefruit. It features a fresh taste perfectly suited for the refreshing spring season.
The Appeal of “Tsubu Gumi PREMIUM,” Surpassing 49 Million Units in Total Sales
“Tsubu Gumi PREMIUM” is a premium series derived in 2020 from “Tsubu Gumi,” a long-selling Japanese snack that first appeared in 1994. Since its launch, the series has surpassed 49 million units in total sales, earning immense support from gummy enthusiasts in Japan.
The biggest reason for this series’ popularity lies in the experience of “tasting and comparing” multiple fruit varieties. Rather than just offering a generic fruit flavor, it faithfully recreates the unique characteristics of each specific variety. This new release is scheduled to hit the shelves of Konbini (Japanese convenience stores) nationwide starting in early April. The price is set as an “Open Price” (typically around $1.30 – $1.60 USD), making it an affordable treat.
Intense Fruit Flavor Realized by the Unique “Double Juice Infusion Method”
The most prominent feature of this product is Kasugai Seika’s proprietary “Double Juice Infusion Method.” This is a labor-intensive process where fruit juice is added in two separate stages during the heating of the gummy ingredients.
Through this method, the gummies achieve both a rich, deep body and a fresh flavor reminiscent of freshly squeezed juice. With one bite, the juicy fruitiness fills your mouth. Citrus flavors, in particular, have a track record of receiving extremely high praise during past limited releases.
Three Types of Citrus for a Variety of Unique Flavors
In the “Rich Citrus” pack, the distinct personalities of three different citrus fruits are concentrated into a single bag. The characteristics of each flavor are as follows:
- Pink Grapefruit: A flavor born from the developer’s obsession with achieving a realistic reproduction of the actual fruit.
- Valencia Orange: A classic citrus taste with a perfect balance of deep sweetness and refreshing acidity.
- Grapefruit: An ideal flavor for refreshing yourself, featuring a crisp aroma and a pleasant touch of bitterness as an accent.
You can savor each flavor one by one or eat multiple pieces together to enjoy the changing flavor profile.
The Reproduction of “Pink Grapefruit” Filled with Developer Passion
According to Mr. Inoue, the product developer, the focus for this release was on pushing the “precision of flavor” to its absolute limit. The development team spent their days researching by eating a wide variety of actual fruits.
Considerable time was spent specifically on recreating the Pink Grapefruit flavor. To surpass previous hits, all flavors were polished to pursue the original balance of the fruit itself. This bag is a culmination of the developer’s pride.
Packaging Inspired by the Spring Sky with Playful Details
The package design is a refreshing look that evokes the arrival of spring in Japan.
The vibrant blue is inspired by the clear blue skies of spring, with the three types of citrus arranged like flowers within it. The back of the package features graphs analyzing the flavor differences of each variety and citrus trivia. It is designed so that you can enjoy the candy while also deepening your knowledge.
The Trust of the “Tsubu Gumi” Brand, Boasting History Since 1994
Since its birth in 1994, “Tsubu Gumi” has released over 150 flavors, making it one of Japan’s most iconic gummy brands. Under the slogan “Tsubu & Peace!”, it continues to be loved by many.
This latest work also utilizes the technology cultivated over its long history.
- Product Name: Tsubu Gumi PREMIUM Rich Citrus
- Net Weight: 75g (approx. 2.65 oz)
- Release Date: Monday, April 6, 2026
- Available Regions: Konbini (convenience stores) across Japan (7-Eleven, Lawson, etc. *excluding some stores)
Please experience the refreshing harmony woven by three types of citrus during the warm spring season. If you stop by a Japanese Konbini, look for this vibrant blue package.
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