Mitsui Clinic, located in Honmachi, Nirasaki City, Yamanashi Prefecture, is a community-based clinic offering internal medicine, neurology, and pediatrics. Situated near the city center, the clinic is equipped to provide care for patients of all ages. Consultation hours are from 9:00 AM to 12:00 PM and 3:00 PM to 6:30 PM, making it convenient for patients to visit after work or school. With a neurology department on-site, the clinic provides specialized examinations for neurological symptoms such as headaches, dizziness, and numbness. The inclusion of pediatrics means that entire families—from children to adults—can receive care at the same facility. The clinic is barrier-free, ensuring that elderly patients and those with physical disabilities can visit with ease. A parking lot is also available for convenient access by car. The clinic is closed on Sundays, public holidays, during the New Year period, and during the Obon season.