World's End Harem: Season 1 « Series from 2022

"In the near future--Tokyo, Japan in 2040-- \nReito, 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. \nWhen he wakes up five years later, the world has changed dramatically. \n \nThe MK (Male Killer) virus has killed 99.9% of Earth's men. \nWith just five men and five billion women, it has...