Aichikai Benten Clinic, a medical corporation located in Yotocho, Shinjuku-ku, Tokyo, is a clinic specializing in internal medicine with barrier-free facilities. Closed days are Thursdays, Sundays, holidays, and year-end and New Year holidays from December 29 to January 3. Influenza vaccinations are administered annually from November, with children requiring two doses accommodated from October. The clinic does not refuse patients with fever and conducts triage within the facility to separate consultation times and entrances. Commissioned by the Tokyo Metropolitan Government, the clinic also performs COVID-19 PCR testing using saliva and nasopharyngeal swabs. Mask-wearing is required during outpatient visits, and the clinic strictly ensures declaration of current symptoms, medical history, and primary care physician. There is no summer vacation, and the clinic operates with autumn closures every year in September.