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Eucharia operates in various fields including hospital management, operational support, elderly care facility, and medical-related business.

Social Interior is a furniture design platform that specializes in the planning, development, and operation of a subscription service for new furniture and home appliances. The company aims to promote sustainability by offering a range of furniture for rent, including chairs, tables, sofas, and kitchen storage. Through its online platform, Social Interior enables customers to conveniently book sustainable furniture for specific periods, contributing to a recycling-oriented society that values the long-term use of quality items.

Shizen Energy is an energy development company based in Nihombashi-hamacho, Tokyo, dedicated to fostering a sustainable society that harmonizes with nature. The company specializes in the development, planning, financing, and asset management of renewable energy power plants, utilizing various sources such as solar, wind, small-scale hydroelectric, and biomass energy. By focusing on natural energy solutions, Shizen Energy aims to contribute to a cleaner environment and promote the use of sustainable energy resources.

Monstar Lab, Inc. is a software development firm headquartered in Shibuya-ku, Tokyo, specializing in creating customized software solutions for a diverse range of clients. Founded in 2006, the company offers a comprehensive suite of services that includes project planning, market analysis, design, mobile application development, web services, and legacy migration. With a global presence, Monstar Lab employs over 1,200 engineers and creators across 26 cities in 15 countries, providing access to top talent and expertise. Its services also encompass web marketing, product localization, co-working spaces, robotic process automation, game development, streaming services, HR technology, and educational programs. By combining innovative technology with skilled professionals, Monstar Lab aims to deliver effective solutions that empower businesses and enhance user experiences worldwide.

Ghelia Co., Ltd. is a Tokyo-based company that specializes in developing integrated artificial intelligence solutions for business operations. Founded in 2017, Ghelia focuses on making advanced deep learning technology accessible and practical for a wide range of users. The company offers a comprehensive AI platform that includes both hardware, such as its Deep Station deep learning system, and software, like Deep Analyzer, which facilitates algorithm development and data evaluation. Ghelia aims to create a symbiotic relationship between humans and artificial intelligence, enhancing business processes and improving efficiency across various industries.

Toletta Cats Inc. is a company based in Fujisawa, Japan, that specializes in developing innovative solutions for cat care through the Internet of Things (IoT). Founded in 2015, Toletta Cats has created an advanced litter box designed to enhance feline health monitoring. This product, named Toletta, is equipped with sensors and a camera that allows pet owners to observe their cats while capturing and recording vital health indicators, such as body weight and urine volume, which can help detect potential diseases. Additionally, the Toletta system includes an application that facilitates food refills, ensuring a convenient and efficient feeding experience. The company's mission centers on improving the quality of life for both cats and their owners, promoting longevity and happiness in their shared lives.