The Man-Killer Virus is a fatal sickness that has wiped off 99.9% of the world's male population. Mizuhara Reito has been in cryogenic slumber for the past five years, leaving Tachibana Erisa, his dream girl, behind. When Reito awakens from the deep freeze, he finds himself in a sex-crazed new world where he is the planet's most valuable resource. Reito and four other male studs are granted opulent lives and a single mission: to repopulate the globe by impregnating as many women as possible! All Reito wants is to find his beloved Erisa, who has been missing for three years. Will Reito be able to withstand temptation and discover his true love?