At the "Natsu da! Umi da! Mochimeow Natsu Matsuri" event held at the Seibu Shibuya Store Building A 2F event space from Wednesday, July 1 to Monday, August 3, 2026, a limited-edition "Guifei Lychee Cake" (貴妃のライチケーキ) is set to go on sale — a collaboration between popular Taiwanese character Mochimeow and KAISHII (開璽), a veteran Taiwanese confectionery brand approaching its 100th anniversary in 2027. The cake will be sold in special Mochimeow packaging.
A Modern Take on a Fruit Loved by Yang Guifei
Lychee, one of Taiwan's representative fruits, has long been known as "the fruit beloved by Yang Guifei."
The Guifei Lychee Cake uses fragrant, juicy Taiwanese lychee in abundance. Based on the traditional pineapple cake manufacturing technique, it highlights the floral aroma and refined sweetness of lychee, resulting in a new-sensation sweet for adults that sets it apart from conventional pineapple cakes.
It pairs well with black tea and Taiwanese tea, making it a perfect treat for a special teatime.
A Fusion of 100 Years of Craftsmanship and Mochimeow's World
Drawn to lychee as one of Taiwan's signature fruits and with a desire to let more people experience Taiwan's rich food culture, KAISHII developed this product.
The Guifei Lychee Cake is a new product born from combining KAISHII's confectionery techniques — cultivated over nearly 100 years of upholding Taiwanese traditional sweets culture — with the worldview of Mochimeow, which aims to be "a bridge connecting Japan and Taiwan."
In addition to the limited-edition packaged product, individual pieces are also available for purchase so that more customers can easily enjoy KAISHII's signature flavors.
About Mochimeow
Mochimeow (もちにゃん) is a soothing character born in 2013 as the mascot of a Taiwanese thick-cut toast restaurant. After being adopted as the image character of the Taipei Metro in 2015, its popularity soared. In China, it has collaborated with major companies such as 7-Eleven, Lawson, and The Coca-Cola Company, establishing itself as a character beloved by a wide range of generations. The anime version is currently streaming exclusively on d Anime Store.
About KAISHII (開璽)
KAISHII (開璽, KAISHII), with roots in Beigang, Yunlin County, Taiwan, is a long-established brand that has carried on Taiwanese traditional confectionery culture since its founding in 1927 — nearly 100 years ago. Built on confectionery techniques nurtured in the town fronting Beigang Chaotian Temple, KAISHII holds "惜情 (a heart that cherishes bonds)" as its brand philosophy, continuing to create sweets that mark life's milestones.
While preserving traditional Chinese confectionery techniques, the brand actively proposes new flavors and designs suited to modern lifestyles. Using carefully selected Taiwanese ingredients and finished by hand one by one by artisans, KAISHII produces products cherished across generations.
With a wide lineup including wedding confections, gift items, Mid-Autumn Festival mooncakes, and seasonal limited products, KAISHII is widely loved as a premium confectionery brand that fuses Taiwanese tradition and innovation.
Event Information
Seibu Shibuya Store Building A
- 2F Event Space (Main Venue): July 1 (Wednesday) – August 3 (Monday)
- B1F Food Hall: June 23 (Tuesday) – July 6 (Monday)
- 4F 365cafe: July 15 (Wednesday) – August 3 (Monday)
Main Event Content (Planned)
- Event-limited collaboration food and sweets sales
- Tasting event at B1F food hall
- Original collaboration menu service at 365cafe
- Official merchandise sales including plush toys and accessories
- Regional collaboration goods
- Exhibition and sales of artist collaboration works
- Participatory workshops and experiential events
- Photo spot displays, and more
Content is subject to change without notice. Please check for the latest information in future announcements.
