"Your mom found your preggo porn history on your iPad. Now she knows why you've been acting so strange since you found out she's expecting. She thought it was some sort of jealous streak, that you were worried you wouldn't have time alone with her anymore but really...you just can't stop jacking off to the thought of your mom with her sexy new curves, her heavy, swollen tits. You cum 3 or 4 times a day and you still can't focus!
And now your grades are slipping. And your mother wouldn't let anything get between you and a college education. Even if that means taking a very unconventional approach to helping...err...relieve you of your little preoccupation.
She comes to your room, lotion and towel in hand, determined to help you get past this fixation and focus on your grades again. Well, determined but also conflicted: what mother wouldn't be, sitting in front of her son with a bottle of lotion, prepared to jerk him to her pregnant, naked body? But she's not going to let you make a mistake that could change your life forever. Not when she can do something about it.
Even when that something is revealing herself to her son. Showing him her...everything! Rubbing lotion over herself before sliding a slippery fist over her son's cock, milking him against her heavy breasts, asking if he likes it, if he wants to suck her big tits once her milk comes in, if he wants her to milk his cock while he milks her tits...god, you cum harder than ever as she strokes you against her body, shooting cum across her darkened nipples!
Smirking, she licks your cum off her breasts, her fingers, purring, "well, if you can get that report in this week, then I think we could take advantage of my being pregnant...what do you think? do you want to fill your mother's pregnant pussy with you cum?""