Jiem Co., Ltd. (Jiem, Headquarters: Shinagawa-ku, Tokyo, President and CEO: Manabu Hiromitsu), a group company of EduLab, Inc. (EduLab, Headquarters: Tokyo, President and CEO: Manabu Hiromitsu), hereby announces that "UGUIS.AI (Uguisu AI)", an AI writing learning service, has officially launched its Eiken® Speaking practice feature. With this launch, UGUIS.AI now supports learning for both writing and speaking. This feature is designed to align with the question formats for the Eiken® Pre-1st Grade, 2nd Grade, Pre-2nd Grade, and 3rd Grade speaking tests. It provides a learning environment where users can complete AI-powered instant scoring and feedback, as well as practice tests simulating the Eiken® S-CBT format, all within a single service. ■ Background of Development English education is shifting towards emphasizing the ability to actually use the language. In speaking practice, in particular, learners often face challenges with self-study, finding it difficult to confirm the accuracy of their pronunciation or whether their intended message is being conveyed to the listener, leading to stalled progress. For instructors, providing individual feedback to each student requires significant time and effort, posing a considerable burden. Our group has accumulated expertise over many years in large-scale scoring operations, such as the National Achievement and Learning Survey, from the era of paper-based tests. This includes designing scoring criteria, organizing evaluation perspectives, and ensuring scoring quality. By combining this foundation of educational measurement technology (testing) with AI technology, we aimed to achieve feedback that is not only convincing for learners but also practical for instructors, going beyond simple automated responses or AI-based corrections. This led to the development of "UGUIS.AI". "UGUIS.AI" has been utilized by many learners and instructors as an AI writing learning service. We have now officially launched the speaking practice