Career woman Runa is demoted to a regional branch after defying the company president, assigned to work in the "Anti-Declining Birthrate Department." This special division fights local population decline in unconventional ways, and Runa is appointed as a "Pregnancy Officer," tasked with actively bearing children. Despite her pride, the department chief forces her to take aphrodisiac drugs, turning her duties into creampie assignments. Helpless, she's compelled to beg surrounding men for sex, gradually getting swept into the escalating situation herself.