Shinjuku Clinic, operated by the Medical Corporation Yobokai, is a clinic specializing in internal medicine for sexually transmitted infections, located in the Shinjuku area of Shinjuku Ward, Tokyo. Appointments are not required; patients can be seen by visiting the clinic directly. The clinic's business hours are set from 10:30 AM to 1:15 PM and from 3:00 PM to 6:45 PM, with consultations available Monday through Saturday. Doctor consultation hours are from 3:00 PM to 6:00 PM, during which services such as oral contraceptive prescriptions, ED medication prescriptions, treatment medication prescriptions, consultations, and examinations are provided. The clinic is closed on Sundays and holidays. The clinic offers English-language support and accepts credit cards and electronic payments. Services provided by Yobokai include STI testing, STI treatment, oral contraceptive and ED medication prescriptions, and free consultations with doctors.