OpenFashion Inc. (Headquarters: Minato-ku, Tokyo, Representative Director: Toru Ueda, hereinafter OpenFashion) is pleased to announce the launch of the "AI FASHION CHALLENGE T-Shirt Design Contest_2026" on Wednesday, July 1st, utilizing generative AI for fashion design. Selected designs are planned to be developed into real clothing (prompt T-shirts). The contest will be held in two parts, with submissions sought for different themes in each half. OpenFashion develops services and products that combine fashion with the latest technologies, including generative AI. The generative AI platform "Maison AI," previously offered by our company until February 2025, has now been taken over by AuthenticAI Inc. Leveraging our accumulated knowledge, we support the digital transformation of the apparel industry through design generation and trend analysis, primarily for apparel companies. ■ About "AI FASHION CHALLENGE T-Shirt Design Contest_2026" "AI FASHION CHALLENGE T-Shirt Design Contest_2026" is a fashion design contest that utilizes image generation AI such as "Midjourney" and OpenFashion's generative AI utilization support tool "Maison AI." This time, the application period is divided into two parts, the first and second halves, with different themes for each. The theme for the first half is "Wave Rush," and the theme for the second half is "Sundae Sunday." Ten selected works for each theme will be sold as "prompt T-shirts," real clothing printed with the generated art design and its prompt (*). Please participate in the contest with designs perfect for this summer! * Contest winners will receive real clothing (prompt T-shirts) printed with their own work. ■ Contest Overview The contest will be held in two parts, the first and second halves, with different themes for each period. 1st Round: Wednesday, July 1st - Wednesday, July 15th Theme: "Wave Rush" The theme for the first half of the contest is "Wave Rush." This contest encourages free expression of impulses and moments