Pair Life Clinic Yokohama Branch is a medical facility in Nishi Ward, Yokohama City, Kanagawa Prefecture, specializing in internal medicine for sexually transmitted infections. The waiting area, examination room, and payment waiting area are all completely private rooms, and the clinic's flow is one-way, so patients can undergo testing and treatment without encountering anyone during their visit. No appointment is needed, there is no registration fee, and anonymous testing is available through self-pay treatment without health insurance. The clinic is equipped with precision PCR equipment from Beckman Coulter, and gonorrhea and chlamydia test results are available in as little as 90 minutes, allowing treatment to begin the same day. The testing room is adjacent to the blood collection room and sample collection restroom, with specialized staff performing tests immediately after specimen collection. Through their unique test result notification system, each patient is notified as soon as results are available. They cover a wide range of conditions from major STIs to pathogens that are often missed in general testing, and can test not only genital areas but also the throat and anus. They accept men, women, LGBT individuals, and couples, and also provide medical services in English. They accept credit cards, debit cards, and electronic payments, and the facility is barrier-free.