Emily Pov.

"Well, she's not a baby anymore," I observed carefully, measuring my words to avoid triggering his volatile temper. "She's an adult woman making her own choices, even if those choices are currently destructive."

I hesitated before adding the obvious: "She looks about thirty years old - definitely old enough to know better than to behave that way at a formal event."

Nathan nodded agreement, his breathing gradually slowing as he regained some measure of control over his emotions.

"Yes, she's thirty exactly," he confirmed, his tone shifting from rage to something closer to worried confusion. "But I practically raised her from childhood after we lost our parents. She's always been impulsive, but never like this - never deliberately provocative or destructive."

The genuine bewilderment in his voice suggested this behavior truly represented a significant departure from his sister's normal character, reinforcing my growing suspicion that something fundamentally unhealthy had developed in their relationship.

A potentially helpful suggestion occurred to me - one that might simultaneously address his concerns about his sister while allowing us to escape the immediate tension of the castle environment.

"You mentioned a honeymoon," I began tentatively, unsure whether the announcement had been merely for show or represented actual plans. "Why don't you ask Mila to join us? Perhaps some time away from her regular environment might help her gain perspective on whatever's troubling her."

The suggestion was genuinely well-intentioned - I truly believed removing Mila from the castle might reduce her opportunities for embarrassing public behavior while providing Nathan a chance to address her issues in a more private setting.

Additionally, I harbored a naive hope that spending time together might allow Mila and me to develop a more positive relationship - perhaps even friendship if her current hostility stemmed merely from protectiveness toward her brother rather than deeper issues.

Nathan's reaction to my suggestion was immediate and unequivocal - a sharp, decisive "No" that allowed no room for discussion.

The firmness of his rejection surprised me, particularly given his evident concern for his sister's wellbeing.

Wanting to help both siblings and genuinely concerned about the potential consequences of leaving Mila unsupervised in her current unstable state, I carefully pressed my case with what I hoped was reasonable logic.

"But as you said, she seems to have lost her mind temporarily," I reminded him gently. "What if you left her here alone in this condition? Based on her behavior tonight, she might do something truly damaging - to herself, to others, or to your reputation as Alpha. I'm sorry to be so blunt, but she's married and was openly flirting with multiple men tonight. That could easily escalate into an actual scandal if she's left without supervision."

My practical assessment of the potential consequences seemed to penetrate Nathan's initial resistance, his expression shifting from reflexive refusal to thoughtful consideration as he contemplated the scenario I had outlined.

After several moments of evident internal debate, his shoulders sagged slightly in acknowledgment of my point.

"Yes, you're right," he conceded with obvious reluctance. "I should take her with us - at least then I can monitor her behavior and perhaps get to the bottom of whatever's causing this dramatic personality change."

Though he had accepted my suggestion, something in his tone and body language suggested continuing reservations about the arrangement - a tension that seemed disproportionate to the simple inclusion of a family member in travel plans.

"Why does he seem so conflicted about having his sister accompany us?" I wondered silently. "Is there something about their relationship he's not telling me?"

As I would later discover, my well-intentioned suggestion would prove catastrophically misguided - setting in motion events that would threaten not only my newfound happiness but potentially my very life.

"I was stupid," I would eventually realize with bitter clarity. "I didn't understand the true nature of what was developing between them, didn't recognize the danger signs that should have been obvious."

But in that moment, standing in our bedroom with Nathan's agreement to include his sister in our travel plans, I genuinely believed I was offering a compassionate solution that might help heal whatever rift had developed between the siblings while providing an opportunity for me to establish a positive relationship with this important member of Nathan's family.

How terribly wrong I was - and how completely unprepared for the hell that would soon engulf us all as a consequence of my naive attempt at peacemaking.

Alpha Nathan POV

Despite accepting Emily's suggestion to include Mila in our honeymoon plans, profound unease settled in my chest like a physical weight as I contemplated the potential complications this arrangement might create.

"This is dangerous," I thought as I watched Emily begin packing our luggage, her movements careful and precise despite her lingering soreness from my earlier brutality.

"After what happened between Mila and me, keeping her at close quarters is playing with fire."

The memory of her unexpected kiss and subsequent seduction attempt remained disturbingly vivid, triggering conflicted emotions I preferred not to examine too closely.

"It was just a momentary madness on her part," I told myself firmly, seeking rational explanations for behavior that defied normal sibling boundaries.

"She's confused because of problems with her mate - transferring feelings inappropriately because I've always been her protector."

These justifications rang hollow even to my own ears, but the alternative - acknowledging that my sister might genuinely harbor romantic feelings for me - was too disturbing to contemplate fully.

I instructed Emily to continue packing while I went to inform Mila of our travel arrangements, desperately hoping that my sister's earlier behavior had been an aberration that wouldn't repeat itself.

"Perhaps she was intoxicated," I considered as I approached her quarters, searching for any explanation that might normalize what had happened between us. "Or under some kind of supernatural influence."

The moon goddess had been known to create unusual attractions between werewolves during certain celestial alignments, though such phenomena typically affected unmated wolves rather than those with established bonds.

Regardless of the cause, I was determined to reestablish appropriate boundaries and move forward as though the disturbing incident had never occurred.

"We've been siblings for thirty years," I reminded myself firmly. "One bizarre episode doesn't erase that fundamental relationship."

With this resolve firmly in mind, I stopped outside her door, drawing a deep steadying breath before knocking with deliberate casualness, carefully avoiding any behavior that might suggest tension or discomfort about our previous interaction.

When no response came to my knock, concern gradually replaced my initial apprehension.

"Mila?" I called through the door, listening carefully for any sound of movement within.

The continued silence raised troubling possibilities - had she somehow escaped her locked room again? Was she deliberately ignoring me out of anger or embarrassment? Or had something happened to her?

Just as I prepared to use my Alpha authority to override the lock, a faint sound caught my enhanced hearing - rhythmic movements and soft moans coming from the direction of her adjoining bathroom.

Relief flooded me momentarily at confirmation of her presence, quickly replaced by growing discomfort as I recognized the distinctive sounds of self-pleasure.

"I should leave immediately," I thought, turning toward the door, only to freeze in place when I heard her cry out a name in the throes of her release - my name, spoken with unmistakable passion and longing.

The inappropriate intimacy of accidentally overhearing such a private moment should have sent me retreating immediately, yet some perverse curiosity held me in place, compelling me to confirm what I already feared.

Moving with supernatural stealth across her bedroom, I approached the partially open bathroom door, my enhanced vision easily penetrating the steamy environment to reveal a scene that confirmed my worst suspicions.

Mila lay completely naked in her luxurious bathtub, one hand working vigorously between her thighs while the other clutched what appeared to be a framed photograph against her breast.

"Damn it, is that my picture?" I muttered in horrified recognition, the words escaping before I could prevent them.

My voice, though barely audible even to my own ears, carried clearly enough in the tiled space to reach her supernatural hearing.

Rather than exhibiting shame or embarrassment at being discovered in such a compromising position, Mila merely glanced casually over her shoulder, acknowledging my presence with disturbing nonchalance before returning her attention to her ongoing activities.

Her complete lack of modesty or appropriate sibling boundaries stunned me into momentary immobility - this wasn't merely inappropriate; it was deliberately provocative.

With growing horror, I watched as she intensified her self-stimulation, maintaining deliberate eye contact through the mirror while moaning my name with increasing volume and desperation.

"Nathan, I love you. Fuck me, please. Please," she begged shamelessly, her movements becoming more frantic as she approached climax, still clutching my photograph to her chest as though it were a lover rather than an inanimate object.

The blatant performance - for it could only be described as such given her awareness of my presence - left me frozen in shocked disbelief, unable to process that my sister was deliberately using my presence to enhance her sexual fantasy.

The enormity of the taboo being violated jolted me finally from my paralysis, allowing me to turn away from the disturbing scene with tremendous effort of will.

Every instinct screamed for immediate retreat from this profoundly inappropriate situation, yet I forced myself to remain in the outer room, determined to address the increasingly concerning behavior rather than avoiding the issue through continued denial.

"After she finishes her... whatever this is," I decided grimly, "we're going to have a serious conversation about boundaries and appropriate sibling relationships."

My own physical response to witnessing her display disturbed me deeply - the unwanted arousal that had begun stirring despite my psychological revulsion represented a betrayal of my own values and identity that I refused to examine too closely.

"It's just a normal male reaction to an attractive female body," I rationalized desperately. "It has nothing to do with her being my sister."

The explanation felt hollow even as I formed it, but the alternative was too disturbing to contemplate.

When I heard her climax with a final shuddering cry of my name, I positioned myself deliberately by the bedroom door, maintaining maximum distance between us while ensuring she would have to acknowledge my presence before leaving.

"After you finish your trash, wear your fucking clothes," I instructed coldly, my tone deliberately harsh to establish the appropriate emotional distance between us. "You're coming with me."

The statement was intentionally ambiguous - I hadn't yet decided whether to inform her of our travel plans or simply to have a long-overdue conversation about her increasingly inappropriate behavior.

Before I could clarify my intentions, however, she appeared in the bathroom doorway completely naked, water still glistening on her perfect skin as she approached me with hopeful excitement shining in her eyes.