Following the accidental death of her father, an authority in virus research, young virus researcher Sawada Rumi (Orikasa) transfers to the research institute run by her father to pursue the truth behind his death and carry on his wishes. However, Rumi is infected by the insane genius virologist Shimine Kanji with a virus that amplifies and controls reproductive functions, and becomes a human experiment subject for a man with a sexual abnormality. With an abnormal increase in sexual sensitivity and copious secretions... what will become of Rumi, who has fallen into a hell of insane continuous orgasms and squirting!?