Mizuhara Reito is an ordinary boy who wakes up in a world of 5 billion women and 5 men. Now it's up to him to repopulate the human species. Can he stay loyal to his missing childhood friend when all humankind is counting on him to sleep with as many girls as possible?
So what they said about 
the virus was true, huh?
Also ist die Geschichte
mit dem Virus wirklich wahr?
Lo que me dijeron del virus
era cierto, ¿eh?
Lo que me han dicho del virus
era verdad, ¿eh?
L’histoire du virus est donc vraie.
Quindi tutta quella storia del virus è vera?
Então o que disseram
sobre o vírus era verdade.
Так они не соврали про вирус?