"Go to hell!"

After whispering this, Nancy, who knew exactly what her lecherous brother-in-law intended, flushed crimson and tried to pull away.

But Luis, having planned this in advance, had no intention of letting her escape. He pulled her back, coaxing and persuading her until she relented and sat down beside him. He casually switched his phone to speaker mode and set it aside, then wrapped his arms around her, his hands immediately finding and vigorously kneading her full, ample breasts.

"Wife, I just checked into the hotel with your elder sister. Are you missing me already?"

Hearing this, Nancy, who had been squirming slightly, instantly froze. The sound of her sister's voice made her feel as if she'd been caught in the act, a wave of guilt washing over her so intensely she couldn't move.

After all, her brother-in-law was completely naked right now...

And she herself was only wearing panties, which felt scarcely different from being fully exposed. Most damning of all was the fact she had just given him oral pleasure and taken his climax onto her face.

"I just miss you, that's all,"

Lily cooed over the phone. "It's so early, are you just staying in the hotel room? Didn't you go out to explore?"

By now, Luis was already kissing Nancy. After a brief kiss, he guided her head down towards his lap. Nancy let out a haughty hum, allowing her brother-in-law's still rigid member, slick with remnants of his release, to rub against her lips.

The potent, masculine scent of his seed filled her senses, and in her current disoriented state, it somehow made her feel a fraction better. That distinct aroma carried a strange, compelling allure that made Nancy swallow reflexively, a hot flush of shame spreading through her.

"Please, big sister..."

Luis murmured, his tongue darting out to lick her hand.

The older sister, her sister-in-law, reached out and took hold of the still-hard length, giving it a few gentle strokes. She watched as a glistening, pearly drop of semen welled up from the tip. Its crystal purity and the intense, primal scent it emitted made her face burn with even deeper humiliation.

Feeling utterly disgraced, her face a canvas of shameful crimson, Nancy simply closed her eyes. Her soft, pink tongue darted out and delicately licked away that single, fresh drop of his essence.

"I'm thinking of using the hotel's gym and swimming pool for a workout. It's all included in the room rate anyway. No sense letting it go to waste after paying for it."

Luis let out a soft, contented sigh, making a conscious effort to steady his breathing.

He lit a leisurely post-coital cigarette, watching with immense satisfaction as the mortified woman between his legs finally yielded and began cleaning him with her mouth. The sense of achievement was absolutely unparalleled.

The visual spectacle of his ethereally beautiful, usually unapproachable sister-in-law reduced to such a state of lewd submission was enough to send Luis's spirits soaring, a dizzying high of conquest.

"Oh, did you and big sister get two separate rooms, or one with twin beds?"

That question sent a jolt of panic through Nancy. She had already felt a twinge of guilt when Luis mentioned the room so offhandedly.

But then she reasoned that his casual tone probably helped avoid suspicion.

Seizing the moment of her distraction, Luis thrust his hips forward, and his persistently hard member, even after his earlier release, slid past her lips and into her mouth.

Nancy responded with a sultry, sidelong glance. One hand worked the base of his shaft while the other gently cupped and caressed his testicles. She took the head into her mouth, her tongue swirling and licking in a repetitive, practiced motion.

"Definitely two rooms. I'd have preferred one king bed, save some money, you know how expensive these rooms are..."

Luis chuckled lewdly, one hand still busy fondling his sister-in-law's incredibly full and soft breasts.

"Wife, maybe you should have a word with your big sister. For the sake of frugality, we could just share a room and squeeze in together. It feels so wasteful for a family to book two separate rooms."

"Perverted husband!!"

Lily's playful scold came through the phone. "If big sister heard you say that, she'd roll her eyes so hard they'd get stuck!"

"They say a younger sister-in-law is half the brother-in-law's property, so isn't it unfair if the elder sister-in-law gets nothing? We should share the affection equally, right?"

Luis joked with a dirty laugh. As he spoke, he couldn't control another slight thrust of his hips. Nancy answered with another seductive eye-roll before beginning to move her head, taking his length in and out of her mouth.

Her face remained flushed, her breathing uneven and ragged. A persistent buzzing filled her head as she listened to her own sister's voice while simultaneously having her brother-in-law's member in her mouth, servicing him.

Am I going insane? Amid the fluster, a strange, thrilling, and deeply vulgar sensation bloomed within her, akin to the illicit excitement of a secret affair.

Even the sensation of her own breasts being so brazenly handled by her brother-in-law sent waves of pleasure crashing through her, the delicious feeling beginning to erode her resistance, making her secretly crave more of this absurd and depraved intimacy.

"Perverted husband, it's bad enough you have designs on my little sister, but now you're setting your sights on my big sister too?"

"Big sister is a married woman, you know."

Luis gave a wicked grin. "Married women are even more exciting to play with. You shouldn't have mentioned it; now I'm even more turned on."

Nancy felt his excitement most directly. The cock in her mouth pulsed and jumped with eagerness. The look in his eyes had turned feral, glowing with a predatory green light as if he wanted to devour her whole. Even his handling of her breasts grew rougher, more forceful.

The overwhelming, musky scent of his arousal was driving Nancy to the brink of madness. Why hadn't it softened after he came? Why did it remain as hard and unyielding as iron?

In a twisted way, it felt like the ultimate validation of her allure, sending ripples of confused pride through her. She was accustomed to men looking at her with that hungry, devouring gaze.

But this was the first time she had ever felt a man's raw, physical desire for her so immediately, so powerfully, and with such unshakeable intensity.

"Disgusting! Husband, you've become so bad, so crude!"

Lily pretended to pout. "Is big sister going to the gym tonight too?"

"I'm not sure. I think she made plans to meet up with some old classmates."

"Alright, I'll call her later then."

"Hubby, I'm going to go take a shower now. Come back early, okay?"

The call ended. Nancy, her chin now slick with a mixture of her own saliva and his pre-cum, let his member slip from her lips. She continued stroking him rapidly with her hand, complaining in a tone laced with feigned annoyance, "Are you some kind of animal? How are you still this hard after coming..."

"It's because you're just too irresistible, big sister. One time could never be enough."

Luis's voice was thick with excitement. Nancy, her face still adorned with that prideful blush, panted, "I don't care. If you don't finish soon, I'm ignoring you. My mouth is so sore."

Her words were haughty, but her actions betrayed her. Not only did her hand not stop its rhythmic motion, but her tongue also resumed its work, flicking and licking across the sensitive head.

The sight of this celestial sister-in-law kneeling submissively before him, her delicate pink tongue lasciviously tending to his rigid flesh, was a visual stimulant of almost unbearable intensity.

A glance at the clock confirmed the second oral session had already lasted over ten minutes.

Luis was also reaching his peak, his excitement palpable. He stroked her cheek, his voice dropping to a raw, husky whisper. "Big sister, let me fuck your mouth properly."

Luis was typically gentle and considerate, almost never using crude language. Hearing such blunt, vulgar words from him now sent a violent shudder through Nancy's entire body, igniting a thrill that was both shamefully degrading and intensely arousing.

She pretended not to hear, feigning ignorance.

But Luis could no longer restrain himself. Thinking no further, he surged to his feet.

The sister-in-law squirmed slightly, a token resistance. "Let me... let me use my hand to finish you..."

"No," he growled, his breathing heavy and ragged, his voice now a bestial rasp. "I want to fuck your mouth, big sister."

The sheer, primal force of his masculine aggression washed over Nancy, leaving her feeling weak and pliant. It was the first time in her life she had felt so utterly subdued, so completely vulnerable in her femininity.

Luis cupped her face, adjusting his stance as he found her seated position slightly awkward. He parted his legs slightly, sinking into a half-squat, and guided the swollen

Luis cupped her face, adjusting his stance as he found her seated position slightly awkward. He parted his legs slightly, sinking into a half-squat, and guided the swollen head of his penis back between her parted lips with a muffled sound from her.

Her rosy lips formed a tight seal around him, sucking firmly. The ethereal sister-in-law, who verbally protested but whose body responded with honest fervor, wore an expression of drunken ecstasy. Her body, now fully awakened and throbbing with desire, was powerless to resist the overwhelming stimulation offered by her brother-in-law.

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