Japanese fashion conglomerate World has successfully launched OO, a new brand featuring AI-designed apparel, which is selling out rapidly. The company developed Maison AI—a generative AI tool trained on brand aesthetics—to overcome early design challenges by learning abstract fashion principles from product image datasets. This approach has proven commercially viable, with products like an AI-designed tweed cardigan selling out almost immediately, and other World brands adopting designs generated by the system. The company is scaling AI-designer collaboration by training ~2,000 employees across Japan to work effectively with AI as a creative partner.