World's End Harem

In the near future--Tokyo, Japan in 2040-- Reito, a young man suffering from an incurable disease, vows to reunite with his childhood friend Erisa and enters a ""cold sleep"" in order to cure his disease. When he wakes up five years later, the world has changed dramatically. The MK (Male Killer) virus has killed 99.9% of Earth's men. With just five men and five billion women, it has become a...