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?
several of our technologies, 
including the food production systems.
aufrechtzuerhalten, angefangen mit
der Nahrungsversorgung.
mucha de la tecnología,
incluida la que produce comida.
mucha de la tecnología,
incluida la que produce comida.
et d’autres technologies
devient de plus en plus difficile.
tra cui quelle deputate alla produzione
del cibo, si è fatta difficile.
como os sistemas de produção de
alimentos, ficou muito difícil.