From Mother to Concubine
Isabel, dragged out of the office that had once been her own kingdom, clutched the corridor wall with one hand. Her desperate voice echoed down the hall, accompanied by the sound of her nails scraping against the stone. "L-Let go of my hand this instant! If you stop now, I might just forgive you..."
Arwen let out a dry laugh at the sight of Isabel, still clinging to the meek demeanor she'd adopted back when she'd lived in fear of his presence. It seemed her mind still hadn't accepted the reality that the acting head of the house had become her own son's concubine. Or perhaps she had accepted it, but was desperately denying the truth to preserve what little sanity she had left. Either way, it was time to make her face reality.
I paused mid-step and turned to face her. "Hah. It seems you still don't know your place, Mother."
"W-What did you say? My place?" Isabel flinched and pressed her back against the wall. I shook my head at the sight of her trembling like a cornered mouse. "Not 'what.' You're no longer the acting head. You're now my concubine, meant solely for my pleasure. You don't have the authority to forgive me anymore."
"D-Don't be ridiculous! Who in their right mind would become your concubine?"
"Don't force yourself to hate it so much. You might find that being a concubine suits your true nature far better than the stiff role of acting head."
"I-I hate it! Is anyone there? Anyone at all—get this madman out of my sight right now!"
Isabel's desperate scream rang through the corridor, but no one answered. The third-floor hallway of the mansion was completely empty. The few servants who had remained had been sent elsewhere the moment our group headed for the office.
"No one's coming to help you, Mother. Now, enough pointless talk. Let's go." I grabbed Isabel's wrist and pulled her along. She had no choice but to stumble after me, dragged by a force she couldn't resist, like livestock being led to slaughter. Fortunately, our destination wasn't far from the office. I stopped before an old, weathered door and announced our arrival. "We've arrived, Mother."
"W-Where...?" Isabel's eyes widened as she took in the room. It was the lord's bedroom—a place far more familiar to her than to me. This was the very chamber where she and Ethan, the former head of House Reinhardt and my father, had once shared their love. After his death, Isabel had moved out immediately, leaving the room untouched for years.
The reason I'd chosen the marital bedroom as the site of Isabel's training was simple: to maximize the sense of depravity as she was violated by her stepson in the very place she'd once served her husband. Even Isabel seemed to grasp the intent at once. Her dazed eyes met mine as she muttered, "Arwen... You can't possibly mean..."
"That's right, Mother. In this very room where you once offered your beautiful body to Father, you will declare yourself my concubine—spreading your legs for your own son."
"Have you completely lost your mind to lust?"
"Don't worry. You'll be enjoying yourself soon enough."
I dragged the cursing Isabel into the bedroom. Just as I'd requested, Raibel had left several long restraints on the bed—including the Handcuffs of Weakening I'd purchased at the Academy. Isabel let out a weary sigh at the sight of the four cuffs desecrating the marital bed. "Hah... What in the world do you plan to do with those hideous things?"
"You already know. Or would you rather hear me say it out loud?" I answered with a smirk and shoved her onto the bed. "Obviously, they're to restrain your tempting body. I can't have you thrashing about while I savor you."
"Kyaaah! Y-You vile bastard! Do you really think Lady Elysia would forgive such an act?"
"Hahaha. I never imagined I'd hear those words from your mouth." A woman who had tried to kill her own child had no right to invoke the gods now. Such empty threats meant nothing. Realizing her son wouldn't stop, Isabel could only scream. "No! I-I was wrong about everything... So please, just forgive me!"
"Understood. Will you gather everyone in the mansion right now and declare that you're handing the headship over to me?"
Of course, Isabel had no intention of doing so. If I released her, the Valeri family would descend on the mansion in no time. Not that I'd ever planned to let her go.
"T-That's..." As expected, Isabel's lips hesitated. "I knew it. Even now, you still lie... As your son, I'll have to reform you properly."
I seized Isabel's flailing limbs one by one, fastening the restraints and securing them to the bedposts. In the end, she lay spread-eagled like a sacrificial offering, bound to the bed. It was the perfect position to admire every curve of her body. Her ample breasts strained against her dress, the areolas nearly spilling free. Between her struggling thighs, her silk panties were visible—underwear so sheer and provocative it might as well have been called obscene.
"Untie me right now! Please, I'm begging you... ngh!" Isabel's voice was a mix of command and plea, but it barely registered. Instead of releasing her, I gently stroked the soft flesh of her thigh. A thin moan escaped her lips. I savored the supple texture beneath my fingers. "More elastic than I expected. Hard to believe this is the skin of a middle-aged woman who's had two children."
My hand crept higher. Reaching the top of her thigh, I slipped beneath her dress, rubbing her mound with my thumb while kneading the soft flesh of her buttocks with the rest of my fingers. Isabel bucked her hips in resistance, but even Masha hadn't been able to escape the Handcuffs of Weakening—a middle-aged woman stood no chance. All she could do was raise her voice in futile protest. "Get your filthy hands off me! How can you feel pleasure while defiling your own mother? Do you have no soul, Arwen?"
"Filthy hands? I doubt Cordelia, Sophia, or Masha would agree."
At the mention of the three women, Isabel's expression said she'd expected as much. "So it really was you. You're the reason those three changed. Did you rape your own sisters and blackmail them with it?"
Blackmail? My mother truly didn't understand her own children. Did she really think Sophia and Cordelia were the type to swear genuine loyalty just because of a threat?
"Hah. Do you really think Sophia would give up the headship over something as trivial as being taken by force?"
"W-Well, that's true, but..."
"My sisters have already acknowledged me as the heir. As proof, both Sophia and Cordelia are carrying my seed in their wombs. With their full consent, of course."
"Seed? D-Don't tell me you mean—!" Isabel's face went pale as she realized the implication. "Impregnating your own blood sisters... Arwen, have you lost your mind? What will people say about you all?"
"I don't care about public opinion. The children born between me, my sisters, Masha, and the others will become the new masters of House Reinhardt. Not the pathetic Valeri clan. And of course..." I leaned in close, my lips brushing her ear as my hand caressed the bare skin of her lower belly, right above her womb. "You'll be included among those women, Mother. You'll bear healthy children for me... or rather, healthy little brothers and sisters."
"No... No... No..." Isabel's entire body trembled at her son's shameless declaration. While she could only repeat the word "no," I began preparing to make good on my promise. "If you'll excuse me for a moment, Mother."
I addressed her politely even as my actions were anything but. Grabbing the expensive dress she wore—one no commoner could ever afford—I tore it cleanly in half. The red fabric split with a loud rip, and Isabel screamed just as violently. "Aaaah! Nooo!"
I stripped away her undergarments as well, and at last, Isabel's naked body—embodying the pinnacle of femininity—was revealed. Her massive breasts, still quivering from the shock, glistened with cold sweat that had trickled down from her neck. Her belly and thighs were smooth and flawless, while her narrow waist flared into wide hips that seemed to beckon any man. My gaze naturally drifted lower, to the deepest part of her—the same place Sophia and Cordelia had passed through. Her uncolored, pristine flower petals and the hole that twitched ever so slightly sent a surge of arousal straight to my cock.
"Hngh... Please don't look..." Isabel tried desperately to close the feminine hole being violated by her son's gaze, but her legs, firmly bound to the bed, refused to obey. I lightly brushed her exposed sex with my fingertip. "A hole so pretty it's hard to believe your age. And neatly trimmed, too."
"Hah! You can't touch me there! W-We’re mother and son..."
"No. From now on, we're simply man and woman."
After redefining our relationship once more, I stood up. Slowly, I began removing the clothes that covered my body, wanting to feel every inch of Isabel's skin against mine. "It wouldn't be proper to leave you the only one undressed."
Following Isabel's completely bare state, more and more of my own skin was exposed to the cool air. Finally, the massive pillar—representing the pinnacle of masculinity in stark contrast to Isabel's feminine form—emerged, announcing to the entire room that her training had truly begun.