A top-notch investigator named Amy, an expert in counter-personality combat and pharmacology, who is stronger than a man. The mission she took on was to "infiltrate a vicious group using a new type of aphrodisiac and bring the mastermind to justice!" She infiltrated the circle to gather information about the aphrodisiac, but the one she was given was so powerful that the neutralizing agent had no effect! Her brain was dominated by sexual desire, her womb ached for sperm, and her whole body became sensitive! Amy endured the intense pleasure, but the continuous stimulation in the ring brought her to the brink of ecstasy...
