New manga
>Dystopia: A Society Where Men Are Controlled
>男性が管理される社会を「ディストピア」と呼ぶのなら

>Isekai harem with Male-Female ratio 1:2000
>MC's family possess superpowers that can fight aliens
>MC sole reason to exist is to breed in order to create a new generation of superpower women.
Even MC's biological mother joins the harem
First chapter doesn't have anything going on, but if it follows the novel, it will go wild quite fast