You watch helplessly as that massive black cock ruins your wife, pumping her cunt full of thick, hot Black cum. The thought of her belly swelling with a Black bastard terrifies you to your core. You are desperate. You vow to be the last line of defense. The second he pulls out, you bury your face in her used pussy and suck. You will frantically swallow every drop of his Black seed, drinking his sperm down into your own stomach to keep your bloodline pure. It’s a filthy, desperate job, but you’ll eat his cum to prevent a Black heir.

How

add a character flag "bno_cum_swallower"
now in the pregnancy check if her spouse has this flag, if yes, fire an event, cooldown average 12 months, in the event you will suck out the cum out of her. And will give you a modifier that will lower prestige, and negative opinion towards you.