Elite investigator Aika goes undercover at a pharmaceutical company to find the source of a new type of aphrodisiac that is popular among young people. There she finds the scientist who is creating the drug, but she is overconfident and becomes trapped by the drug's effectiveness, which is greater than she expected. Addicted to the drug, Aika's whole body becomes hot and her desires cannot be suppressed without the pleasure of a dick. Aika refuses, but she can't stop sucking the dick. She becomes a low-class sex doll, with the rough dicks of brutish dealers forced into her every day...