The Research Special Zone is a state-of-the-art biological research institute and a special institution where becoming an "assistant and mistress" of a high-ranking researcher is considered a status. Haru is assigned to the genius but eccentric Amagi's department as harassment for refusing to be an assistant to a dirty researcher. Amagi's research on electronic drugs is rather dubious, and a sudden accident leads to him and Amagi having a kime-sex...?