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?
It caused a global pandemic within 
a very short span of time.
und löste somit eine weltweite Pandemie aus.
Provocó una pandemia mundial
en muy poco tiempo.
Provocó una pandemia mundial
en muy poco tiempo.
ayant provoqué
une pandémie mondiale.
Ha causato una pandemia globale in tempi brevissimi.
Isso causou uma pandemia global
em um tempo muito curto.