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Club for Observing the Ecstasy of Beautiful Women's Masturbation ~ The Secret Moment of Revealing Genuine Orgasm Faces Who's the JAV actress in this video? Amateur? Name revealed!

"Shouten Kansoku no Kai" is a gathering dedicated to the scientific observation of women's masturbation, meticulously measuring the process and the time it takes to reach orgasm. This group holds a noble purpose beyond mere entertainment, believing the data collected can contribute to world peace, and all participants conduct their observations with serious intent. This time, we once again gather to closely observe beautiful women masturbating, delving deep into the most intimate details.