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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 subscription services for new furniture and home appliances. The company aims to promote a sustainable lifestyle by offering a diverse range of furniture for rent, including chairs, tables, sofas, and kitchen storage. Through its online platform, customers can conveniently book sustainable furniture for specific periods, aligning with the company's goal of fostering a recycling society that values long-lasting products. Social Interior's services cater to the growing demand for flexible and eco-friendly home furnishing options.

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., founded in 2017 and based in Tokyo, Japan, specializes in integrated artificial intelligence solutions designed to enhance business operations. The company develops a comprehensive AI platform that includes both hardware, such as Deep Station, and software, such as Deep Analyzer. This platform facilitates algorithm development, rapid server calculations, and supervised data evaluation, making advanced deep learning technology accessible to a wide range of users. Ghelia's mission is to democratize the benefits of AI, enabling individuals and organizations across various sectors to leverage cutting-edge technology for improved efficiency and collaboration between humans and artificial intelligence.

Toletta Cats Inc. is a company based in Fujisawa, Japan, that specializes in developing an Internet of Things (IoT)-enabled litter box for cats. The product, named Toletta, is equipped with sensors and a camera that allow pet owners to monitor their cats' health by measuring body weight and urine volume, thereby capturing signs of potential diseases. Additionally, Toletta includes an application that facilitates the refilling of food directly from the device. Founded in 2015 and originally known as Hachi Tama Inc., Toletta Cats aims to enhance the quality of life for cats and their owners by providing a simple, safe, and user-friendly solution for at-home pet care.