This clinic, located in the Kagaya Building in Nishi-Shinjuku, is a medical facility specializing in internal medicine for sexually transmitted infections. They provide examinations and consultations for STIs including chlamydia, gonorrhea, syphilis, and HIV/AIDS, and welcome women, men, LGBTQ+ individuals, and couples. The facility features privacy-conscious design with individual booths in the waiting room and sample collection areas. Examinations typically take about 15 minutes from arrival to payment, with results available on smartphones 2-3 days later. Same-day testing with immediate results is also available, and medications are dispensed on-site. Since this is a self-pay service, no health insurance is required, and anonymous testing is accepted. They offer English support and accept credit cards, debit cards, and electronic payments, and the facility participated in Tokyo Pride 2025.