The house was quiet except for the hum of the fridge when I walked in from college. Mom was at the kitchen table in that thin robe she always wore after her shower, the one that clung to her heavy tits and barely covered the curve of her ass. She looked up, eyes tired but warm, and smiled like she always did.
"Hey, baby. Long drive?"
I dropped my bag and crossed the room without answering. Something had been building for months, every visit home. The way she hugged me too long, the way her body pressed against mine. Tonight I didn't hold back. I grabbed her by the waist, spun her around, and bent her over the table. The robe rode up, showing me she wasn't wearing anything underneath.
"Son, what are you" Her voice cut off when I shoved two fingers straight into her wet cunt. She was soaked already. I finger-fucked her hard, knuckles slapping against her clit while she moaned and pushed back on my hand.
"Fuck, Mom, you're dripping. You want this dick, don't you?"
She didn't say no. She just spread her legs wider and whimpered when I pulled my fingers out and replaced them with my cock. I slammed into her in one thrust, burying every inch in that tight, hot pussy. She was tighter than any girl my age, and the way her walls squeezed me made my balls ache.
I fucked her right there on the kitchen table, pounding deep, the wood creaking under us. Her tits spilled out of the robe and I grabbed them, pinching her nipples while I drove into her. Every thrust made her cry out, "Oh god, yes, fuck your mother, fill me up."
I didn't pull out. I came hard, flooding her pussy with thick ropes of cum, pumping until it leaked down her thighs. She stayed bent over, panting, my seed already starting to work its way inside her.
That night was the start. Every day after, we fucked like animals. In the shower, against the wall, on her bed with her legs over my shoulders. I bred her morning and night. I'd wake her up by sliding my cock between her lips, then flip her over and take her from behind, slamming into her until she screamed and came on my dick. She stopped taking her birth control without telling me at first. She wanted it.

She told me one night while I was balls-deep, "I want you to knock me up, son. Put a baby in your mom's belly."
I did exactly that. Weeks passed and her periods stopped. Her tits got even fuller, nipples dark and sensitive. Her belly began to swell, a small round bump that I kissed every time I fucked her. The pregnancy made her hornier. She'd wake me up riding my cock, her pregnant belly resting on me while she ground down, begging for more cum.
"Look at you," I'd growl, hands on her growing stomach. "My mom, pregnant with my kid, still can't get enough dick."
She'd moan and clench around me, milking every drop. We kept going right through the pregnancy, fucking slow and deep when she got bigger, me on top so I could watch her belly move while I pumped her full again and again. Her body changed, softer, curvier, and every new curve was mine.
By the time she was showing obviously, we didn't hide it in the house. She'd walk around naked, belly proud, and I'd bend her over the couch or take her on all fours, gripping her hips and slamming into her pregnant cunt until she came screaming my name. The risk, the taboo, the fact that she was carrying my child only made it hotter. Every load I gave her was another claim.
She gave birth healthy, our secret safe. And as soon as the doctor cleared her, I was back inside her, breeding her all over again. Mom son sex had turned into a lifetime of her getting pregnant, over and over, because neither of us could stop.