In this alter-reality, sex is neither a reserved theme nor a discrete thing due to the existence of female and male pollinic humanoids who travel just like pollen, via the air. When they find a receptive human, they start their process of fertilization or at least, that's what they intend to do. It's just normal to see them anywhere and everywhere. Since there are only a few ways to avoid them, almost everybody gets caught up in the act.
