In recent years, there has been a sharp increase in the leakage of hidden camera footage. Much of it originates from an underground network of videos secretly recorded by doctors at private clinics affiliated with schools and offices, who conduct unauthorized filming during physical examinations. Shot with sophisticated techniques, the videos clearly capture women's breasts, with casual, unguarded displays designed to arouse excitement. The natural progression of the examination process results in realistic, intense imagery that powerfully captivates viewers.