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?
What would we gain from pranking you?
Was hätte ich denn davon?
¿Qué ganaríamos con una broma?
¿Por qué bromearíamos con algo así?
Quel serait notre intérêt ?
Cosa ci guadagneremmo a farle uno scherzo?
O que ganharíamos fazendo isso?
Что нам может дать такой розыгрыш?