Hot Tub Taboo
Copyright© 2026 by VelvetQuillX
Chapter 5: The Riskiest Night
Incest Sex Story: Chapter 5: The Riskiest Night - When Mom drinks herself to sleep every night, college girl Riley finally gives in to the forbidden spark with her muscular stepdad in the private hot tub. What starts with risky footjobs under the bubbles explodes into raw creampies, anal, throat training, and dangerous sex right under Mom’s snoring window. Vacation was supposed to be family time… but now Riley’s addicted to Daddy and they’re taking the taboo home.
Caution: This Incest Sex Story contains strong sexual content, including Ma/Fa Consensual Romantic Heterosexual Fiction Cheating Cuckold Incest Father Daughter BDSM MaleDom Light Bond Rough Spanking Anal Sex Cream Pie Exhibitionism Facial Oral Sex Squirting Tit-Fucking Voyeurism Foot Fetish Public Sex AI Generated
Morning light sliced through the kitchen windows, sharper than usual. Mom stood at the counter earlier than ever, humming off-key while the coffee dripped, her robe loosely tied and hair still tangled from sleep. She looked oddly bright-eyed, pouring three mugs and declaring how “refreshed” she felt after yesterday’s wine run. “This mountain air is working wonders on my back,” she said, sliding a cup toward me. I forced a smile, but my stomach twisted. Across the table Mark’s eyes met mine—guilty, heavy, still carrying the taste of last night’s mixed release. My thighs clenched under the table at the memory of his cum and my squirt on his tongue. We both knew the flavor lingered on our lips even now.
Mom chattered on about her day, oblivious, then dropped it casually: “My back’s acting up again. I think I’ll join you two in the hot tub tonight for once. Just to soak.” My heart slammed against my ribs. Fear and something darker—excitement—flooded me so fast my coffee sloshed. Mom in the tub with us? Mark’s hand found my thigh under the table, squeezing once, firm and reassuring. He mouthed “be good” when she turned for sugar. I nodded, but inside I spiraled. If she sits between us I might actually die ... but part of me wants his fingers on me anyway, right there, with her inches away. The dread built all day like storm clouds rolling in—every normal conversation laced with the knowledge that tonight the risk would spike higher than ever.
Ten o’clock arrived too fast. The deck lights glowed soft. Mom lowered herself into the hot tub first, modest navy one-piece hugging her frame, already on her third glass of wine spritzer—she’d switched to lighter stuff after polishing off those three bottles the first two nights. She didn’t question why it was already steaming hot at ten o’clock—Mark had set the timer days ago. She sighed dramatically as the jets hit her back. I followed in my bikini, the thin strings digging into my hips, heart pounding so loud I was sure she could hear it. Mark slid in last, positioning himself beside me, close enough that our knees brushed underwater. Mom launched into work gossip, voice slurry and loud, laughing at her own stories. Three feet away. Close enough that her wine breath carried on the steam.
Under the frothing bubbles Mark’s hand found my thigh instantly. Fingers traced up, slow and deliberate, slipping beneath the bikini edge. Two thick digits pushed inside me while Mom rambled on about office drama, completely unaware. The intrusion stretched me perfectly, curling against that spot that made my vision blur. I kept my face neutral, nodding along, smiling when she paused for breath. “Yeah, that sounds rough,” I managed, voice steady even as his thumb circled my clit in tight, hidden strokes. The water masked everything—except the way my walls fluttered around him, the slow drag of his knuckles.
I got bolder. My foot stretched out, toes finding the front of his trunks. I worked the thick outline through the fabric, pressing, stroking, curling around the head while Mom cackled at another joke. Bubbles shifted suddenly; the movement rippled the surface. Mom glanced down for half a second. My heart stopped. Mark’s fingers never slowed. He leaned in, lips brushing my ear so softly it was almost nothing. “Good girl ... Mom has no idea her daughter is stroking Daddy right now.” The whisper sent me over. I came silently—teeth sinking into my lower lip until I tasted copper, body locking tight around his fingers while my toes kept working him. Juice mixed with the churning water. Mom tilted her head. “You two are so quiet tonight!” she laughed, raising her glass. “Must be the wine making me the loud one.”
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