在人口零增长的未来，资源将更加合理分配，生态环境逐步恢复。糖果君小宇三人运动网站

　　In the not too distant future, a very smoggy and overpopulated Earth government makes it illegal to have children for a generation. One couple, unsatisfied with their substitute robot baby, breaks the rules and gets in a lot of trouble. (Z.P.G. stands for Zero Population Growth).