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?
Our civilization is gradually declining.
Nuestra civilización está
decayendo gradualmente.
Nuestra civilización está
decayendo gradualmente.
notre niveau de civilisation
décline fortement.
La nostra civiltà sta scivolando
sempre più nel declino.
Nossa civilização está
declinando gradualmente.
Человеческая цивилизация в упадке.