San-X Co., Ltd. (Head Office: Chiyoda-ku, Tokyo) is pleased to announce that the first collaboration items between "Ishiyowachan" and "Maison de FLEUR" (operated by Stripe International Inc., Head Office: Okayama City, Okayama Prefecture) will be released on July 18, 2026 (Sat) at all Maison de FLEUR stores nationwide and on Stripe International's EC site "STRIPE CLUB," among others. A total of 6 new items will be available, featuring exclusive art of Ishiyowachan elegantly adorned with blue flowers. Items include original plush toys and plush toy bag charms to commemorate this special collaboration, as well as a square tote bag with an eye-catching appliqué that expresses Ishiyowachan in a fluffy boa material. ■About "Ishiyowachan" "Ishiyowachan" is a character from San-X that has gained attention on social media since its debut in March 2024. Many users on social media have expressed empathy with Ishiyowachan, who experiences days of "weak bones," saying "Maybe I'm Ishiyowachan...?" The character has garnered significant support, with over 100,000 followers on X (formerly Twitter). ▼Ishiyowachan Official X (@Ishiyowachan_) here https://x.com/Ishiyowachan_ ▼Ishiyowachan Special Site here https://www.san-x.co.jp/ishiyowachan/ "Ishiyowachan x Maison de FLEUR" Collaboration Collection Item Details 1 *All prices include tax. Original plush toys and plush toy bag charms are available to commemorate this special collaboration. This refreshing and elegant collection features Ishiyowachan with a face expressed in blue embroidery. Please pay attention to the cute appearance of Ishiyowachan, adorned with voluminous flowers. ・Ishiyowachan Bag Charm: 3,850 yen (tax included) ・Ishiyowachan Plush Toy: 4,400 yen (tax included) Release Date: July 18, 2026 (Sat) Sales Locations: ・All Maison de FLEUR stores ・earth music & ecology Aeon Mall Okayama store (store with Maison de FLEUR attached) ・Official online store STRIPE CLUB, ZOZOTOWN (Sales start July 18, 2026 (Sat) at 12:00 PM) ・R