Hikari Clinic, located in Honmachi, Fussacity, Tokyo, is an internal medicine clinic operated by Medical Corporation Koki-kai. The corporation operates multiple medical facilities in Tokyo, including Azabu Koki Clinic and Aoyama Medicare, and Hikari Clinic serves as one of its locations supporting community healthcare in western Tokyo. Situated on the 2nd floor of Medicare 953 Building at Honmachi 95-3, Fussacity, the clinic focuses on internal medicine and supports the health maintenance of local residents. Consultation hours are from 9:00 AM to 12:00 PM in the morning and 4:00 PM to 6:00 PM in the afternoon, open on all days except during the year-end and New Year period (December 31 and January 1–3). Notable features of the clinic include a parking lot for patients arriving by car and barrier-free design that accommodates elderly patients and those with physical disabilities. The internal medicine practice covers a wide range of services, from common illnesses such as colds and fever to the management of lifestyle-related diseases and ongoing health management, fulfilling the role of a community-based primary care physician. Backed by the medical network of the Koki-kai group, the clinic also offers access to specialized support when needed.