HUNTB-649 - On the day the world ends, only women survived, and I was the only man. So I asked the women for help and hid with them, but in a super-close state where I could hear their heartbeats, I unexpectedly got an erection.

Looking around, I was the only man on this earth. I met a woman when I was about to be crushed by loneliness. We decided to work together and combine our strengths to overcome this situation. But there were enemies lurking around… Without thinking, when we huddled together for cover, my lower body reacted thrillingly to the sensation of a woman's body after a long time… An erection in a very inappropriate situation. A woman gave me an unexpected reaction to my frustration with my own inadequacy!? Is this a miraculous sex possible only in extreme circumstances?