In 20XX, 90% of men had turned into M men. The Japanese government, which is suffering from a declining population, launched the "M Man Eradication Project" and first of all elected nine special researchers to elucidate its ecology. Instilling disgust in leg fetish subjects with relentless leg torture, surpassing premature ejaculation subjects to train both physically and mentally, body fluid-loving subjects injecting large amounts of liquid to check the truth of M sexuality... entrusting the future A thorough investigation record by 9 women who have been done! [* There is some disturbance in the image and sound]