Her brother in law's rough tongue, carrying a scorching heat that seemed capable of melting a person, began licking this beautiful, shy area again and again.

It sent electric tingles of pleasure coursing through her, making Nancy tremble uncontrollably even with her hand clamped over her mouth. Although her husband had licked her there before, it was always just a few haphazard licks. Being sexually冷淡, she had even felt it was less satisfying than using her own hand...

But now, her head was buzzing, and it felt as if every nerve in her body had been activated.

Even though she could not see, she could vividly feel every single movement her brother in law made, instantly stimulating her to the point where her mind felt close to shattering.

Luis's hands caressed the sensitive skin of her inner thighs, gently parting the protective folds of her labia. He began licking the even more sensitive tender flesh inside her vagina, his tongue tracing circles around her clit.

"Mmph..."

Nancy trembled, on the verge of losing control.

This unprecedented wave of pleasure felt like it was directly elevating her soul.

Seeing her intense reaction, Luis smiled faintly. His hands roamed upwards from her ribs, all the while he kissed her pussy fervently, and grasped her full breasts, kneading and massaging them.

Under this dual stimulation, Nancy's eyes rolled back, her body beginning to convulse with slight, involuntary spasms.

Her brother in law's tongue was like that of a devil, teasing forth every ounce of carnal desire in her body. When her clit was gently sucked, Nancy could not fathom the sheer bliss of it.

It completely surpassed her previous understanding of sexual pleasure. It was the kind of ecstasy where every cell felt tormented by lust, a floating, heavenly sensation as if she had ascended to paradise.

"Elder sister... why are you trembling so much..."

Lily asked vaguely at that moment, and Nancy barely managed to remember that her sister was lying right beside her.

She was the source of her nervousness, fear, and panic, yet simultaneously, that wicked, taboo stimulation felt so depraved and intense, making the physical pleasure even more real and impactful.

"I am doing leg slimming exercises..."

Nancy gently removed her hand, breathing erratically as she struggled to maintain control, saying, "I need to move a little. I have been eating a bit too much lately..."

As she spoke, she could no longer help but clamp her thighs around Luis's head. Clearly, the pleasure was too overwhelming; if he continued, she would be unable to suppress her moans.

"The mask has not solidified yet, stop talking..."

"I will listen to some music and exercise a bit. Once your face mask solidifies, I will not disturb you."

After saying this, she shook her head with a flushed, spring like blush, her pink brows furrowed with a pleading expression, using her eyes to signal Luis not to act up here any further.

Although it was stimulating, continuing like this was simply too much for her heart to bear. Even the slightest movement or sound from Lily would frighten her half to death.

Yet, while Lily's voice was indeed startled, it also served to excite people even more. How could a man possibly stop once his beastly desires had been fully aroused?

Luis's eyes were even bloodshot with excitement. He prevented her from closing her legs together and abruptly stuffed a pillow beneath her buttocks. Nancy did not dare to resist, but this action was utterly humiliating for her.

Her lower back was now suspended in the air, her beautiful buttocks lifted high, allowing her to even see her own wet, hairless pussy, glistening with her brother in law's saliva. It looked so lewd, depraved, and shockingly provocative.

Luis grinned excitedly and buried his head again, licking and sucking fervently at her honeyed passage, as passionately as if he were kissing her.

Nancy's eyes were completely misty with tears as she succumbed once more. She covered her small mouth with her hand, weakly spread her legs open, and no longer dared to close them in resistance.

Her long, enchanting legs were spread apart in an M shape, forcing the sister in law to witness exactly how he was pleasuring her. For someone like Nancy, whose nature was actually quite conservative, this was undoubtedly an unparalleled visual assault.

Despite the shame, Nancy found herself unable to look away from how her brother in law was teasing her.

Between kisses, he nibbled at her clit, used one hand to part her labia, and drove his tongue directly into her vagina, licking inside. Being stimulated like this for the first time, Nancy could not control herself and began to convulse once more.

What was even more excessive. was. seeing her delicate, charming little asshole, contracting excitedly exactly like his wife's. It held no unpleasant odor, instead carrying only the fresh scent of shower gel.

Luis gave a wicked smile. His fingers replaced his mouth, entering her wet pussy. Feeling the powerful, rhythmic contractions of the tender flesh within her vagina, he began to move his fingers in and out slowly.

Then, lowering his head, he aggressively licked his sister in law's pink asshole.

"There."

Nancy let out a weak, sobbing whimper, her eyes wide with disbelief that this was truly happening.

Let alone being licked there.

That virgin territory had never even been touched by anyone before. She felt this was far too obscene.

Yet the reality was, the moment her brother in law's tongue made contact, that moist, warm sensation sent numbing shivers straight to her bones.

That combination of itching and intense stimulation was a dual assault on both her body and her mind.

Nancy trembled uncontrollably. She felt deeply ashamed and wanted to refuse, but did not know how, while the exquisite sensations kept pulling her deeper into surrender.

Seeing her reaction so intense that even the flesh of her inner thighs was quivering, Luis knew that his sister in law's supposed sexual frigidity was useless before him. All that remained was heightened sensitivity and the bewildered confusion of a novice.

This body had yet to be properly awakened, and Luis reveled in its reactions.

Such pleasures naturally should be shared equally. The soul stirring ecstasy his mother in law had enjoyed must now be experienced by his sister in law as well.

Being frigid and sexually deprived, she must feel like she was going insane at this moment. She could never have imagined that her brother in law would not only perform oral sex on her with such gentleness, but even introduce her to the sensation known as a 'poison dragon'.

As Luis's fingers quickened their pace, thrusting in and out, his tongue began to probe into her asshole.

This was the first time she had opened her body to a man other than her husband. She should have been drowning in the complex guilt of infidelity, but Nancy never expected the pleasure she would taste to be so intensely thrilling.

A new door to sexual pleasure swung open, waves of bliss spreading throughout her entire being.

The most shameful place, even more private than sex itself, her asshole, was now being played with and teased. This was a deeper, more excessive form of stimulation than the mere physical act of adultery.

The exquisite sister in law, already long seduced by Luis and lost in a sea of desire, could no longer hold back. Her legs suddenly clamped around Luis's head, her entire body shaking violently.

Even Luis, who was immersed in training and awakening her, was caught slightly off guard. The sudden, powerful clamp was almost suffocating. His athletic sister in law possessed surprising strength in her thighs.

Realizing her orgasm was approaching.

Luis immediately intensified his licking and increased the speed of his finger thrusts. His other hand moved to her chest, firmly grasping her equally extremely sensitive nipple.

With this triple assault, Nancy instantly let out a choked cry.

Her hairless pussy convulsed, and a stream of sweet, scalding female ejaculate sprayed onto Luis's face.

She actually squirted. Luis was pleasantly surprised. He turned his head and kissed her still quivering pussy, gently licking to provide her with further, prolonged stimulation.

The beautiful sister in law was panting heavily, her body twitching almost excessively. The supremely beautiful climax, something she had never experienced before, made her feel as if she were dying. The tsunami like waves of pleasure spread through her whole body, threatening to completely overwhelm her.

Her body felt boneless, utterly soft, covered entirely in a fragrant sweat. Her mind was completely fogged over.

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