After the check-up with Oyoji, Courtesan Nokaze asks Jin to see another patient. He discovers a former courtesan in the last stages of syphilis. There is no cure, since penicillin has not yet been discovered. Jon tries to persuade the rest of the prostitutes at the brothel to accept to an examination for signs of syphilis. However, they call him a pervert and refuse. Feeling defeated for his inability to help Courtesan Nokaze, Jin suddenly recalls the first meeting with Miki. She presented him with the procedure to create penicillin. He immediately seeks the help of ...