Young men and women are expected to be interested in the opposite sex. They are expected to be interested in sex, full stop. However, the students at the prestigious Nobel Academy have been displaying unusually strong urges recently. When one of the female scholars spends her entire summer vacation masturbating in her room, her father contacts the Central Genetic Research Institute for assistance. Special Agent Akiko is assigned to investigate immediately and goes "undercover" to determine exactly what is affecting the student body.