There was a slightly odd researcher at some research institute. Sharp-minded, number one in Japan...? No, number one in the world...? when it comes to drugs. But he had a strong grudge against women and a powerful desire for conquest. That's right, that man—this is the story of the Cruel Doctor. A cruel doctor at a mad torture research institute who continues to feel inferior to every woman in the world and plots to conquer all women someday. The super powerful aphrodisiac that the doctor had been developing was finally completed, and he teamed up with the evil organization Black Lion Society to challenge some bratty girls. One day, the doctor encountered a bratty beautiful girl, Shizuka, on the street, restrained her, and took her to a certain place for an experiment… Shizuka, unable to move due to restraints, was forced to drink the super potent aphrodisiac developed by the doctor! Her body could not resist the effects of the super potent aphrodisiac and reacted further. She was toyed with and tormented by the men of the Kuro Shishi-kai, enveloped in incredible pleasure as her sense of self collapsed! What will happen to the fate of the beautiful girl Shizuka who has come too hard and broken her limits!!
