It is rumored that a certain pharmaceutical company is secretly developing illegal drugs and hypnotizing devices, brainwashing women and making a lot of money as sex slaves. Detective Kobayakawa assigns his junior investigator Nanami Matsumoto to infiltrate the company. Matsumoto, who has infiltrated the company, is discovered and has brainwashing drugs injected into her body. She is taken over by a lewd personality and loses all Kokoro to defeat evil...