Akari, a woman sentenced to death for a crime, spends her days in prison, constantly fearing when her execution will take place. However, she is chosen for the prison breeding program. The prison breeding program… a deranged plan to reduce sentences in exchange for female prisoners bearing children to combat the declining birthrate. But with her only remaining task being execution, Akari cannot refuse. To survive, she becomes the wife of three male prisoners, being embraced by them daily… This ordeal will never end until she becomes pregnant…