Sophia was completely oblivious.
She chatted happily while they finished the pasta, laughing at her own stories about the neighborhood and how nice it was to finally have "cool neighbors like you guys." Ava nodded along with a sweet smile, her foot still slowly rubbing up and down Marcus's calf under the table. Marcus kept his face calm, but his cock was rock-hard in his sweatpants, throbbing every time Ava's toes brushed the thick outline.
Both of them wanted the same thing: a few minutes alone. Just enough to taste what they'd been teasing each other with.
When the plates were empty, Sophia stretched and sighed. "That was delicious, Ava. I'm stuffed. Why don't we move this to the pool? It's such a nice day. I'll go make us some iced drinks while you two get comfortable."
Marcus's eyes met Ava's for a split second. The opportunity was perfect.
"Sounds great," Ava said sweetly. "I'll help clean up real quick."
As soon as Sophia disappeared into the kitchen, Marcus stood up, his massive bulge obvious. Ava didn't waste a second. She dropped to her knees right there on the living-room carpet, yanked his sweatpants down, and swallowed his thick cock in one hungry motion.
"Fuck, Ava," Marcus groaned quietly, hand fisting her long black hair. "You're such a dirty little slut."
She moaned around him, taking him deep into her throat, drool already running down her chin. His cock was huge—thicker than Vicky's, heavy and veined. She bobbed fast, sucking greedily, one hand stroking the base while the other slipped under her own micro skirt to rub her dripping pussy. The thrill was insane: sucking the neighbor's cock while his wife was just twenty feet away making drinks.
Marcus fucked her mouth with short, rough thrusts, whispering, "That's it… good girl… your husband has no idea his wife is a cock-hungry whore next door."
Ava's pussy clenched hard. She was soaked.
Then they heard it—Sophia's footsteps coming back.
They froze. Ava pulled off with a wet pop, strings of spit connecting her lips to his glistening cock. Marcus yanked his sweatpants up fast. Ava wiped her mouth and stood, smoothing her tiny crop top just as Sophia walked in carrying a tray of tall glasses.
"Drinks are ready!" Sophia said cheerfully, completely unaware of the thick bulge Marcus was trying to hide or the way Ava's lips were slightly swollen. "Let's head out to the pool."
They carried the drinks outside. The backyard pool sparkled under the sun. Sophia set the tray down and smiled. "I'll go change into my bikini real quick. Ava, I have an extra one if you want to join us. It's in the guest room closet—help yourself!"
Ava grinned. "I'd love that."
While Sophia went inside to change, Marcus pulled Ava close behind a tall potted plant, out of view. "You're killing me," he growled, hand sliding under her micro skirt and finding her bare, dripping pussy. Two thick fingers pushed inside her instantly. Ava bit her lip to stay quiet, grinding on his hand.
"You're so fucking wet," he whispered. "You love this, don't you? Cheating right under her nose."
"Yes," Ava breathed, riding his fingers. "It makes me cum so much harder."
They heard Sophia coming back and pulled apart just in time. Sophia emerged in a sexy red bikini that showed off her full breasts and curvy ass. She tossed Ava a tiny white string bikini. "Here! This one's super cute. It'll look amazing on you."
Ava changed right there behind the lounger—Marcus watching openly while Sophia turned to adjust the umbrella. The bikini was tiny: the top barely covered her nipples, the bottoms were a thong that disappeared between her ass cheeks. She looked like pure sin.
They lounged, drank, and talked. Sophia suggested cheerfully, "We should do a double date this weekend! You, Ryan, me, and Marcus. Barbecue, drinks, swimming. It'll be so much fun!"
Ava smiled brightly, even as Marcus's foot slowly slid up her inner thigh under the water. "Definitely. I'll ask Ryan tonight. He'll love it."
Sophia clapped. "Perfect! I'm going in for a swim." She dove gracefully into the pool.
Marcus and Ava followed. The cool water felt electric on Ava's overheated skin. They played at first—splashing, laughing, acting normal. But under the surface it was filthy.
Marcus swam behind Ava, pressing his hard cock against her ass while Sophia was underwater. Ava reached back and stroked him through his swim trunks. When Sophia surfaced and turned away, Marcus yanked Ava's bikini top aside and pinched both her nipples hard underwater. Ava had to bite her tongue to keep from moaning.
Sophia laughed. "You two are so playful! It's cute."
She had no idea Marcus had two fingers buried deep in Ava's pussy under the water, slowly pumping while Ava stroked his thick cock in return. The risk made Ava's head spin. Every secret touch, every hidden thrust of his fingers sent jolts of pure thrill through her body. She came quietly in the pool, clenching around his fingers while smiling and nodding at whatever Sophia was saying about neighborhood gossip.
After twenty minutes of teasing, Sophia climbed out. "I'm going to lie down and soak up some sun. You guys keep swimming—I'm getting sleepy."
She stretched out on a lounger beside the pool, put on sunglasses, and within minutes her breathing slowed. She was fast asleep.
Marcus and Ava looked at each other. Their eyes burned with the same hunger.
They checked once more—Sophia was out cold, chest rising and falling steadily.
That was all the permission they needed.
Marcus pulled Ava against the pool wall in the deep end, yanking her bikini bottoms aside. His thick cock sprang free underwater. He lifted one of her legs, lined up, and slammed into her in one powerful thrust.
Ava's head fell back, mouth open in a silent scream of pleasure. He was so much thicker than Ryan or even Vicky. The water made every thrust feel deeper, more intense. Marcus fucked her hard against the tiles, one hand over her mouth to keep her quiet, the other squeezing her heavy tit.
"Fuck, you're so tight," he growled in her ear. "Your husband's right next door and I'm balls-deep in his wife."
Ava moaned against his palm, eyes rolling back. The thrill was overwhelming—his wife sleeping just ten feet away, the danger of getting caught, the way his huge cock stretched her perfectly. She came hard within seconds, pussy spasming around him, milking his shaft.
Marcus didn't slow down. He pounded her relentlessly, water splashing quietly with every deep thrust. "You love this, don't you? Cheating while she sleeps right there."
"Yes," Ava gasped when he moved his hand. "I love it. Don't stop—fill me again."
He fucked her through two more shattering orgasms, then buried himself to the hilt and exploded. Thick, hot ropes of cum blasted deep inside her, mixing with the pool water. He kept thrusting through his orgasm, pushing every drop into her womb.
They stayed locked together, panting, his cock still twitching inside her as the last spurts leaked out.
Ava smiled dreamily, completely addicted now.
The thrill of cheating had officially taken over.
**To be continued…**
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