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?
Propagating your genes is 
our number one priority now.
Es ist derzeit von höchster Priorität,
dass Ihre Gene fortbestehen.
Propagar sus genes
es nuestra mayor prioridad.
Propagar sus genes
es nuestra mayor prioridad.
Préserver vos gènes
est notre ultime priorité.
La propagazione dei suoi geni
al momento è la nostra massima priorità.
Nesse momento, propagar seus genes
é nossa maior prioridade.
Для нас важнее всего
размножить ваши гены.