Afternoon sunlight poured through the blinds, painting the tiny bedroom in stripes of gold and shadow. The renovation crew had finally left for the day, leaving the house blissfully quiet.
Except for the wet, filthy slap of skin on skin.
And the constant, hungry creak of the bottom bunk.
Mia was on her back, legs spread obscenely wide, ankles hooked over my shoulders. Her black thong dangled from one foot like a white-flag surrender. My cock was buried balls-deep inside her, pounding hard and steady, the sloppy squelch of her cum-filled pussy echoing with every brutal thrust.
"Harder, Alex—fuck—right there," she panted, voice raw and bratty. Her tits bounced wildly under her pushed-up tank top, stiff nipples begging for attention. "Give me another load. Fill your stepsister so full it leaks all the way downstairs."
I gripped her hips tighter, slamming into her, the bunk frame groaning like it was about to snap. We'd already gone two rounds since lunch—once on the top bunk, once on the floor—and her pussy was a creamy, overflowing disaster. Thick white streaks of my earlier loads coated my shaft and dripped down her ass with every thrust.
"Gonna cum again," I growled, balls drawing up tight.
Mia's eyes rolled back in pure bliss. "Do it. Breed me while Mom's still at the—"
The bedroom door swung open without a single knock.
Sophia stood in the doorway.
She was still wearing that silky robe—the one that hugged her massive tits and barely covered the bottom curve of her ass. One hand stayed tucked in her pocket, fingers probably still wrapped around the cum-stained red thong. Her eyes locked instantly on us: my cock buried to the hilt in her stepdaughter, Mia's legs spread like a whore, pussy stretched obscenely around me and leaking everywhere.
Dead. Silence.
For three full heartbeats, nobody moved.
My cock twitched hard inside Mia, pumping one involuntary thick spurt of pre-cum straight into her. Her walls clenched around me in pure shocked lust.
Sophia's gaze dragged slowly—over Mia's flushed, guilty face, down to the exact place where my cock disappeared inside her daughter, then up to my wide-eyed stare.
She didn't scream.
She didn't gasp.
She didn't even blink.
Instead, that same slow, predatory smile from the laundry room curved her full lips.
"Well," she said softly, voice like warm honey dripping over steel, "look what Mommy found."
Mia's mouth opened, but no sound came out. Her pussy fluttered around my cock anyway—betrayed by how soaked the sudden danger made her.
Sophia stepped inside, closed the door behind her with a quiet click, and leaned against it. The lock turned with a soft snick.
She crossed her arms under her heavy breasts, pushing them up until the robe strained at the seams.
"I've been wondering why my favorite panties kept coming back… extra sticky," she murmured, eyes still locked on the messy place where my cock stretched Mia open. "Now I see. My naughty stepson and stepdaughter have been using them as cum rags while they fuck like animals right under my roof."
She took one slow step closer.
Then another.
Close enough that I could smell her perfume mixed with the faint, filthy scent of the panties still hidden in her pocket.
Mia finally found her voice—shaky, but still bratty. "Mom… it's not— we were just—"
Sophia held up one elegant hand. Her smile never wavered.
"Save it, princess. I saw the drawer. I tasted what you left me." She licked her lips slowly, deliberately. "And I have to admit… it's the hottest thing I've seen in years."
My cock throbbed visibly inside Mia. Another fat drop of cum leaked out around the base and trickled down to the soaked sheets. Sophia's eyes followed it hungrily.
She reached down, untied her robe, and let it fall open.
Underneath she was completely naked—voluptuous, curvy, heavy tits swaying, dark nipples stiff, her shaved pussy already glistening with arousal.
"Since you two clearly can't control yourselves," she said, voice dropping into that calm, maternal tone that somehow made everything filthier, "Mommy is going to teach you both how to fuck properly."
She stepped right up to the edge of the bunk. One hand slid down to cup Mia's breast, thumb brushing the stiff nipple. The other reached between us and wrapped warm fingers around the base of my cock where it stretched her daughter wide open.
"Starting. Right. Now."
Mia moaned—loud, shameless, and completely broken by lust.
I was still buried deep inside her.
Sophia was smiling like she'd just won the lottery.
And the real training was about to begin.
End of ch 9.