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?
This all seems like a joke!
D-Das muss irgendein schlechter Witz sein!
¡De verdad tiene que ser una broma!
En serio, ¿esto es una cámara oculta?
C’est forcément une blague,
j’y crois pas !
M-Mi sembra tutto uno scherzo di cattivo gusto!
I-Isso tudo parece uma piada!
С-серьёзно, это всё похоже на розыгрыш!