Doutei Zetsumetsu Rettou

A sudden phenomenon causes all male virgins in Japan over 18 to die quickly, sparking widespread panic. The sex industry sees a sharp rise in prices, and frightened young men form angry mobs as the government struggles to respond. Kurumi Eiri, a 17-year-old virgin, faces the same fate upon turning 18 and must lose his virginity to survive. His attempts to confess to women are met with rejection, leaving him desperate. The story follows his efforts to find a way to end his virginity before it's too late, while other virgins grapple with the same dire situation.