That man has returned to the Institute of Insanity Torture...a ``Doctor Cruel'' who continues to feel inferior to the women of the world and plans to conquer them one day. The super-powerful aphrodisiac that the doctor has been developing is finally completed, and he joins forces with the evil organization Black Lion Society to take on the brash women. Immediately, the Black Lion Society traps and restrains the impertinent SWEET Angel woman and takes her to a certain place for experimentation...The detained woman is ``Nonoka'', who is famous for being cool among the SWEET Angels. She was forced to drink a newly developed super-powerful aphrodisiac while being restrained and unable to move, but she resisted with her strong will... Her body reacted to the cruel doctor's intense pleasure torture, and she was further toyed with by the men of the Black Lion Society. Her ego collapses as she is teased and enveloped in tremendous pleasure. What will be the fate of the beautiful girl...