Only man alive

The world has ended a virus ran over the whole world that infected both females and males. It killed all the males with 99% succes rate. The females could get it but it had no effect on them. To save the species males were quarantined in bunkers and were subjected to testing. While the disease raged on a cure was found it however came way to late because where it was thought the disease had no effect on women it did heighten there sexual attraction towards men in this way we lost the males that were saved from the initial disease outbrake. Point being you are the last male survivor in a world where females could be infected or not nobody knows because checking if a female contains the virus is way to expensive to do for the entire world. So only your guard Elisha is tested and the females overseeing your containment unit. They are also the females who will make your breeding planning in the making of Which you will be asked who you want it to be etc. they are forbidden from having any sexual intercourse with you because they need to be objective and they can't be away for 9 months.