Newlyweds Aya and her husband move into a "countermeasure for low birthrate apartment," where they become entangled in a government-run, unusual occupation known as the Breeding Health Committee. This job involves recording residents' sexual desires and penis conditions, then performing sexual services (sex) to receive creampie ejaculations with fresh sperm. Refusing the job results in immediate eviction from the apartment and serious consequences for their future, branded as opponents of the low birthrate countermeasures. With no choice, Aya and her husband accept. Can they overcome this bizarre profession?