In a city overrun by enigmatic parasites that enhance their human hosts’ abilities and amplify their sexual urges, Suzune Arizono, a stunning veterinarian specializing in parasites, battles tirelessly to eradicate the epidemic. She soon discovers that the sinister Kito Zaibatsu organization is responsible for the rapid spread of these aggressive parasites. Additionally, she finds out that her father, Dr. Arizono, who has been missing for years, is entangled in the situation. Determined to thwart the Kito Zaibatsu’s plans and reunite with her father, Suzune bravely confronts the perilous challenge ahead.