Taken by her parents to a trial venue, Karina Tanida, a small girl from Iruri. A new drug requires an extremely small body... Her entire body is measured, and aphrodisiac is forcibly administered into her narrow mouth and vagina. She is subjected to human experimentation while being used at will! Due to the effects of the aphrodisiac, she can't stop wetting herself! The untested subject, who has learned the desired pleasure, is passed around to many old men and becomes an inevitable pregnancy doll...