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His Silken Seal Within

Summary:

Draco and Hermione have been in a secret relationship for three years now. They work together as Aurors, and their secret encounters take place in the office as well. He uses his family's ancient fertility spell, and it has become their new habit. He marks his territory—what is his—with his hot, silken seed deep inside her.

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She suddenly felt a damp warmth between her thighs, the realization hitting her like a wave.

Fuck.

The magic was fading… and with it, the control she’d barely managed to hold onto during the meeting.

Murmuring a hurried excuse, she slipped out of the Auror meeting and strode toward the nearest lavatory, heart pounding.

Just as she reached for the door to open it, a firm palm covered her mouth, cutting off the gasp that threatened to escape. Before she could react, he guided her inside, his presence pressing against her like a suffocating spell, the world outside slipping away in an instant. She barely had time to register the door slamming shut before he spoke, his voice a low growl in her ear.

“Shh… It’s me.” His deep baritone rumbled against her ear, sending a shiver down her spine.

Before she could respond, he spun her around and pressed her against the cool tiles of the lavatory wall. A flick of his wand sealed the door behind them, a whispered Silencio ensuring no one would hear what came next.

"You drove me crazy during that meeting in your little pencil skirt..."

"Really?" She bit her lip, a playful gleam in her eyes as she gazed up at the tall, blonde Auror towering over her.

"Yes. And when I saw the little wet spot you left on your chair..." His voice dropped, thick with hunger. „I had to excuse myself too—just to follow you here.”

She didn’t answer, but her pulse quickened at his words. She could feel the heat of his hand on her skin, the weight of his eyes on her.

Without replying—because she didn’t need to—she let him slide his hand beneath her skirt, his fingers finding the slickness, the heat waiting for him.

"Fuck. Has your little barrier already started to weaken?” His breath hitched. "Oh, so this means..." His voice was a husky murmur against her ear. "I have to fill you up again? Is that what you want?"

Before she could answer, he pressed her harder against the wall, his breath warm against her skin as he loosened his trousers. Wrapping a hand around himself, he stroked slowly, teasing both of them with anticipation.

"Answer me," he murmured darkly. "Do you want to take more of my heirs?"

"Yes…" she breathed, her voice trembling with need.

A smug grin curved his lips before he grabbed her beneath the thighs, lifting her effortlessly as though she weighed nothing, pressing her against the cold tiles. But it didn’t matter—her body was already aflame, every nerve tingling at the thought of him inside her again.

Then, with one sharp thrust, he buried himself inside her, stretching her, filling her. A gasp escaped her lips, swallowed by his own groan of pleasure. The heat, the friction—it was familiar yet intoxicating every time.

Their secret affair was something else entirely. Neither Harry nor Ron nor any of their fellow Aurors had the faintest idea about these clandestine encounters. Not in the janitor’s closet. Not in the quiet, shadowed corners of their office.

Not even in their hidden flat in the heart of London.

Yet…

After spending five gruelling years training to become Aurors, they had finally earned their ranks. That was when their secret affair began—three years of stolen moments, whispered rendezvous, and hidden passion.

But now, he was done with secrecy.

He was ready to claim her—not just in the shadows, not just in hidden corners, but in front of the entire world. It was all up to her now.

His grip tightened as he thrust into her with unrelenting need, and she took him—all of him—so damn well.

A deep groan rumbled in his chest as he felt it: the warmth of his earlier release still inside her, now mingling with the fresh, hot pulse of his seed.

A perfect blend, nestled deep within her.

A possessive growl rumbled in his chest. He wanted no one else to ever fill this witch—her womb, her cunt—only him. Always him. She was his. Marked. Claimed.

Their ragged breaths mingled, heat curling between them as his tongue tangled with hers in a fevered kiss. She tightened around him, her body gripping his cock in that perfect, devastating way that made his vision blur.

"Draco, I’m gonna—" she moaned, panting.

"I know, darling. Let go," he rasped against her ear, his thrusts growing sharper, deeper. "Give yourself to me—completely."

He felt her shudder, her walls pulsing around him like a vice, dragging him closer to his own release.

His words were rough, jagged with want. "Do you want me to fuck the next Malfoy heir into your perfect, waiting womb? Tell me, Hermione—do you want it?"

Her heart raced, her body betraying her as she responded before her mind could catch up.

“Yes…” She felt his power, his claim, and part of her didn’t want to fight it anymore. "Yes, yes," she panted, her hands gripping his shoulders to steady herself as he adjusted their position, slamming into her more intensely from this new angle.

"I want your heir... Please, give me him..."

"Good girl..." He hissed, his breath hot against her skin as he leaned down to kiss her hard, their lips crashing together. "You’ve earned your prize," he murmured between kisses. "I’ll fuck you until you're pregnant with my child."

His voice was low, almost a growl as he whispered in her ear. "Take it—take all of my seed into your womb, now."

At his command, she shattered. Her body tensed, a wave of pleasure crashing through her as she cried out his name, her voice trembling with the rawness of her release.

He squeezed his eyes shut, feeling the intensity of it all surge through him, knowing they had both crossed a line they’d never go back from...

He squeezed his eyes shut, feeling his body tense before a few final, deep thrusts sent him over the edge. He remained still, their harsh, breathless panting mingling together, their rapid heartbeats syncing in the silence that followed.

Before he pulled out, Draco’s hand slid across her abdomen, whispering his family’s ancient spell to ensure his seed remained deep inside her.

The spell he whispered sent a shiver through her. There was something about it—about the claim he had over her, even in this magical way—that made her pulse quicken. Her cheeks flushed with heat, a mix of arousal and a strange sense of possessiveness. The warmth of his touch lingered, knowing his seed would remain in her for a few hours more.

Until he could fill her again.

She couldn't help but smile, a part of her secretly revelling in this new level of connection between them. It was more than just physical; it was an act of claiming, and she loved it.

"Hermione?" He called her name as they dressed and refreshed themselves. His gaze was fixed on her as she smoothed her dishevelled brown hair and adjusted her skirt. "Don’t drink the contraceptive potion tonight."

Her eyes widened, surprise flickering in them as she turned to face him.

"I mean it," he continued, his voice thick with desire. "I want this... I want you. All of you. Just for myself." The intensity of his need was evident in his eyes as he reached for her, pulling her into a searing kiss. He had to show her just how deep his desire ran. Draco’s grip tightened, his voice a dark promise. "Say, you’re mine, Hermione." There was no room for doubt in his words, a possessive claim in the way he held her as if he were staking his claim on something priceless.

"I am already yours..." she whispered, her hands framing his face as she leaned in to press a soft, sweet kiss to his lips. "I never said I was going anywhere," she teased, letting her fingers trail down his chest once more. "But if you want me... all of me..." She paused, her lips curving into a playful, knowing smile. "You’ll have to keep me," Hermione smirked the familiar spark of challenge in her eyes.

Her words were a game, but the weight behind them was clear.

She stepped back, her eyes locked on his with an unreadable look. "How far are you willing to go, Draco?"

His expression darkened with a mix of hunger and resolve. "I’ll go as far as it takes," he murmured, his voice a low growl. "For you… for us." He reached for her, pulling her close again. "I’m ready to claim you as mine in front of everyone."

Hermione raised an eyebrow, clearly amused by the way he was already slipping back into his usual possessive state. "We’ll see," she said softly, before leaning in to kiss him, her lips brushing his with a tenderness that was only for him.

When they pulled apart, Draco’s gaze was intense, but there was something more beneath the surface—something deeper. "Marriage," he said suddenly, the word hanging between them. "Maybe we should make it official... just you and me."

What?” She tilted her head, the question lingering in her mind. She’d been teasing him, expecting him to offer her the title of his official girlfriend, not this. “We’ve been keeping secrets for so long, Draco. A wedding hardly counts as one, does it?”

“The Malfoys don’t play fair,” he said, his voice low, filled with resolve. “When we want something—or someone—we don’t settle for halfway. We take it all.” He smirked, his hands finding hers, his thumb caressing her knuckles. "Meet me after work at the Administrative Registration Department to register our marriage. Hermione, would you marry me? What do you say?"

For a moment, the silence stretched between them, heavy with possibilities. Hermione’s mind raced, and as much as she loved him, she wasn’t sure how far she was ready to go just yet.

"Are you serious?" she said softly, her voice a little hesitant. "But we have time, don’t we?"

"Time for what, exactly?" Draco’s eyes darkened, a teasing edge to his smile. "I've wanted you for years, so the next move is up to you." He kissed her forehead gently, then headed toward the door.

"Go to Gringotts on your lunch break," Hermione called after him, her lips curling into a teasing smile. "Bring me an enormous, family heirloom signet ring with an 'M' on it—so everyone knows without question who I belong to, starting tomorrow."

Draco flashed a delighted grin, his eyes gleaming with amusement. "But I’ll take the potion for a while longer," she added with a mischievous glint in her eye. "I love when you fill me up again and again... We’ve only just gotten started," she said, "still so young, so much to experience together. Let’s take it one step at a time, shall we?" She winked at him, swaying as she walked past, her shoulder brushing lightly against his chest.

"All right. Anything you want, love." He grabbed her by the waist, pulling her closer for a moment.

"I’ll go buy a wedding dress for us during my break," she continued, her voice light and playful. "But now, we really do need to get back to the meeting, Auror Malfoy."

"You’re right, my soon-to-be Auror Malfoy." He kissed her at the doorframe, then gently nudged her forward toward the meeting room. "I mean, Auror Mrs. Malfoy..." His baritone trembled with suppressed laughter.

As his fingers ran through his blond hair, Draco’s heart raced with excitement.

He followed her a few minutes later, already mentally choosing the perfect ring for her…