Currently, with the ethereal beauty of his sister in law on his left and the delicate form of his beloved wife nestled in his arms on his right, such a setting should, in theory, feel very titillating and sensual.

Yet, Luis did not harbor a single wandering thought. Mainly because their conversation, while appearing to be a crude exchange of jokes, seemed to carry undercurrents of mutual probing.

"Oh, oh, what would there be to get angry about? I am in no state to satisfy my husband right now. If Big Sister were willing to lend a hand, I would be endlessly grateful."

"Do not be so stubborn, little Lily. I know your temperament all too well."

"Let alone me touching him, even just a kiss would probably make you burst into tears."

The two sisters began bickering. Lily immediately pouted and retorted with feigned anger, "Big Sister, do not be so childish. We are both married women now, for goodness sake."

"What is this about a kiss or a touch being a matter of life and death? It is not that serious. I am not that petty, okay."

"Forget about kissing and touching, even if you had sex, so what? It is better to keep the fertility within the family. What is there to fuss about?"

"Big Sister, neither of us are blushing virgins anymore. Why do not you just sacrifice a little of your charm? Do not worry, I will keep it a secret from Brother in law."

Among the three sisters, the eldest sister, being the most doted upon, had always been the most dominant. In the past, she had frequently scolded her two younger sisters. Lily had been like a docile lamb, while the eldest sister in law had reigned as a queen from on high.

According to Nancy's expectations, with this kind of teasing and provocation, her introverted and shy younger sister should have blushed and tried to escape the conversation.

Who would have thought that now, blessed with her husband's devotion, and having matured past a girlish mindset after becoming pregnant, Lily would actually dare to engage in such explicitly vulgar banter with her.

Lily suddenly threw off the covers that had been draped over the two of them, completely exposing the couple's naked bodies to the air.

Even though they were already entangled in their illicit affair, Nancy, reacting swiftly, immediately averted her gaze, her voice trembling slightly as she said, "You crazy little hussy. I will get a stye in my eye."

Luis also felt he should display some semblance of modesty, but Lily looked over at him with a gaze full of tender affection and intense excitement. That single look was enough to make Luis powerless to resist her gentle, restraining gesture.

Lily shifted position, taking her husband's rigid penis and bringing it towards her mouth. As she began to lick it with her soft, fragrant tongue, she panted urgently.

"Big Sister, you are not a child anymore. I am starting to look down on you for always talking the talk but never walking the walk."

The tone in these words was extremely strong. Clearly seeing her older sister, who had been haughty and proud since childhood, now somewhat flustered and at a loss, Lily felt a mischievous excitement surge within her, like an underdog finally turning the tables.

"You."

Nancy abruptly sat up, crossing her legs. Her pretty face had already taken on a rosy hue. "So what if I look? It is not like I have never seen one before. If you are so willing to put on a show, I might even toss you a tip later."

Having said that, she fixed her eyes on her brother in law's erect member with a look of defiant challenge.

Even though they were already so intimately familiar with each other, now they had to pretend complete. One could only say that women are born actresses.

Lily glanced at her with a look that mixed both provocation and soft allure in her eyes, then took her husband's cock into her mouth and began to suck, her expression so intoxicated as if it were the most delicious thing in the world.

While moving her mouth, she murmured indistinctly, "Husband, does it feel good?"

"Husband, do you want to touch my elder sister…"

Her murmuring tone was like the whisper of a demon, stirring Luis intensely, but even making Nancy clench her delicate fists, which rested on her knees and trembled slightly.

"You… don't go too far."

Nancy gritted her silver teeth and said, "Why should he touch me? He's your husband, not mine."

Lily spat out the cock and, while stroking it with her hand, licked his testicles and mumbled indistinctly,

"Elder sister, you are being too excessive!!!"

"Don't you realize how good Luis has been to you? I refuse to believe you ended up with so much debt just from using your money for business."

"Lately, while you've been staying at home, you've been spending money like water. You've already been treating my husband as if he were your own, okay?"

"No, it's even more like you take it for granted. I don't believe your own husband would treat you that well—buying you bags and jewelry. If he were truly that good, would the two of you have argued to the point of physical fighting?"

Hearing this, Nancy felt extremely guilty. During this period, she had completely adopted an ostrich mentality, indulging in the feeling of reckless spending without a second thought.

Lily had seen through it all along but never spoke up. She could pretend to be oblivious, but that didn't mean she held no resentment inside.

After all, she had previously expressed that even sisters should keep clear accounts.

Luis, acting as a mere tool, observed the sisters' expressions clearly but held his breath, not daring to speak.

Although the situation was intensely erotic, he wasn't sure what his wife truly thought. She had always been obedient, but now that her cuckquean tendencies had awakened, he wondered if she could truly accept him being with another woman.

Moreover, although she had seemed normal since becoming pregnant, he was still wary of unpredictable mood swings, so he didn't dare test her limits too far.

Nancy explained somewhat guiltily, "Well… that's because my brother-in-law was willing! Besides, he's spent plenty on Mom and our younger sister too. Why single me out to bear the blame?"

Lily smiled gently and said, "You're right. We're all family. Luis has already lectured me about it too."

"But, elder sister, I'm not joking. Do you know how I felt during that time?"

The gentler Lily's expression grew, the more guilty the fairy-like sister-in-law felt.

After all, she wasn't the type who was good at lying.

"Elder sister, please help me… don't let my husband's pleasure be interrupted, okay?"

Lily suddenly reached out, grabbed Nancy's delicate hand, and placed it on her husband's cock. Nancy almost instinctively grasped the base—the hard feeling was not unfamiliar to her.

The two sisters, one on the left and one on the right, each reached out a hand to hold the cock and began stroking it.

It was truly a magnificent, once-in-a-century moment.

Although their stroking was clumsy and awkward, Luis moaned loudly from the pleasure, his eyes bloodshot with excitement.

Although the physical sensation wasn't as intense as his wife's skilled oral techniques, the psychological impact at that moment was overwhelmingly powerful.

Nancy gritted her teeth as she stroked him, but she maintained a calm facade.

After all, this was just child's play. She couldn't stand the teasing in her sister's eyes and didn't want to be laughed at.

While stroking him, she said in a nonchalant tone, "Lily, I'm not a child anymore. Did you think I wouldn't dare?"

"Then I'll trouble you, elder sister."

Lily stretched lazily, then suddenly moved over and hugged Nancy from behind. Nancy shuddered all over and gasped, "What are you doing? Go hug your husband! Why hug me?"

"Elder sister is so beautiful and has such a great figure. Even I, as your sister, feel like taking advantage when I see you."

Lily was definitely doing it on purpose, though she glanced at her husband with a hint of nervousness—worried he might be angry, and a little afraid he might find her behavior lewd.

But the look Luis gave her was one of encouragement. The young couple shared everything with each other every night, intimately close.

Lily had tentatively mentioned before that holding a girl felt nice too, though she'd been careful not to reveal her awakened bisexual thoughts then.

She was only testing her husband's boundaries.

Being conservative by nature, she had been tormenting herself, thinking such thoughts were perverted.

Her wording had been cautious too—she'd only said that during afternoon naps, holding Rococo or Yana felt particularly comfortable.

Luis had strongly suspected then that Yana had already been sexually harassed by his wife. Aware of his wife's inner turmoil, he had used a crude way to encourage her.

"Hehe, then why don't you find a girlfriend, wife? After she's done pleasing you, she can please me too."

"As long as you don't go after men, I'll support you 100 percent if you want to be with women. As your husband, I'll even tag along and enjoy some of the benefits."

"Wife, you have no idea—men really love watching girls together. It's especially beautiful."

With that kind of encouragement, or perhaps loving brainwashing, Lily shyly admitted she had such inclinations.

With strangers it was one thing, but the idea of being with her own sister felt even more vulgar and perverted, so she was still full of anxiety.

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