Set in a world where men can give birth. Now 35 years old, Hiyama Kentarou is busy supervising his subordinates as a section chief while also raising his child, Koutarou as a single father. Since the prejudice towards men who give birth is still strongly rooted in society, Hiyama now finds the cafe he produced specially for those men to be in trouble of staying afloat. While Hiyama was worrying over this, a certain pregnant man came to visit him...