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?
There are only five men in the world, 
including you, who are capable of activity.
Es gibt auf der ganzen Welt nur noch
fünf lebendige Männer, dich eingeschlossen.
Incluyéndolo, solo hay cinco hombres
en el mundo capaces de moverse.
Contándolo a usted, hay cinco hombres en
el mundo que pueden moverse libremente.
Seuls cinq hommes ayant subi
un traitement pour la sclérose
Ci sono solo cinque uomini al mondo,
lei incluso, in grado di vivere all'esterno.
Incluindo você, existem apenas cinco homens
no mundo que estão em atividade.
Вместе с вами в мире всего
пять дееспособных мужчин.