Contrea, Inc. engages in the planning, development, operation, and sale of medical information prescription systems. It offers MediOS, a tool that helps doctors to provide customized videos for patients to understand and receive treatment; supports the explanation of general contents, such as diseases, examinations, and surgical methods with visual medical information using animations; helps persons to order medical information according to the progress of medical examinations; helps to share information with users’ family; enables two-way communication by allowing patients to select what they do not understand after watching the video/what they want to ask a medical staff, such as a doctor; and helps doctors to know the patient's level of understanding, anxiety, and interests before the medical examination. The company was founded in 2020 and is based in Tokyo, Japan.