The Bastard of Sandstone Keep - Cover

The Bastard of Sandstone Keep

by Jessica Sloane

Copyright© 2026 by Jessica Sloane

Fantasy Sex Story: The spare gets the castle. The heir throws a fit. Sandstone Keep has a new lord. Lady Vanessa makes sure he fucks like one.

Caution: This Fantasy Sex Story contains strong sexual content, including Ma/Fa   Romantic   Heterosexual   Fiction   Historical   Humor   Vignettes   Workplace   Magic   Exhibitionism   Oral Sex   Voyeurism   Politics   Royalty   .

Sandstone Keep rose high on its rocky promontory, overlooking a restless silver sea. Ancient stone walls glowed in the torchlight as I sprinted through the winding corridors, my heart racing. My older brother Lord Marcus, the heir to House Saltmont and this mighty castle, was thundering after me, furious that Father had named me castellan while he journeyed to the capital to meet with the dragon king for the first time since my initial name day 22 years ago.

“Lucas! How the fuck did you trick Father into naming you as castellan? You little shit—when I catch you—!”

I had not tricked Father. I wasn’t even a Saltmont. I had served our House nobly in several military campaigns, even got lucky and shot down a dragon once, but Father had truly shocked us all when he appointed me—his bastard son—to this post. By rights, the honor of serving as castellan in Father’s absence should have gone to Marcus. But Father had certainly not explained his reasoning to me before he left, and I didn’t feel like fighting with Marcus about it now. He clearly needed some time to cool down anyway and emotionally process this new information.

I quickly ducked around a corner and spotted my salvation: my secret lover Lady Vanessa, the castle’s stunning 39 year old steward and chief maid. She wasn’t really a Lady. Or even highborn. But Father had granted her that title as a courtesy after many years of faithful service to House Saltmont and Sandstone Keep. She stood in a quiet alcove with an armful of linens, wearing a fitted deep sapphire-blue uniform dress that hugged her impossibly lush figure ... full, heavy breasts straining against the bodice ... wide hips ... and creamy thighs that made my mouth water.

Without thinking, I dove beneath her skirts.

Lady Vanessa let out a soft, surprised gasp. “Lord Luke—!”

But without missing a beat, she gamely widened her stance, hiding me in her warm, dark sanctuary beneath layers of soft silk and petticoats. The world narrowed to the scent of her ... clean linen, faint lavender, and the heady musk of a woman already growing increasingly wet.

I didn’t hesitate. I pressed my face forward and dragged my tongue slowly up her slick folds. She was soaked. I licked deeper, tasting her properly, then slid two thick fingers inside her tight heat while my tongue found her swollen clit and circled it with firm, hungry strokes.

Her warm thighs trembled violently around my head. “Lord Marcus,” she said sweetly as my brother’s boots suddenly stopped nearby, her voice only slightly higher than usual. “I was just on my way to prepare the guest rooms...”

“Have you seen my cunt of a brother, Lady Vanessa?”

I grinned against her pussy and sucked her clit hard, pumping my fingers faster. Lady Vanessa’s left hand snuck down through the skirts and fisted tightly in my hair, holding me exactly where she needed me.

“N-no, I haven’t seen him recently, my lord” she continued, breath catching. “Perhaps he went to the battlements? Oh—gods—”

Her voice cracked beautifully on the last word. I felt her walls flutter and clamp down around my fingers as she came ... sudden, powerful, and utterly silent except for the tiniest choked whimper. Her thighs shook, juices flooding my tongue while she somehow kept speaking to my furious older brother in that perfectly composed, slightly breathless tone.

Lord Marcus grumbled something and finally stalked off.

Lady Vanessa sagged against the stone wall for a long moment, breathing hard, then whispered down to me in a husky voice, “You wicked, wicked young man ... come help me carry this feather mattress upstairs. Now, Luke Stone.”

We hauled the heavy mattress together up a long, spiral staircase encrusted with jewels, stealing heated kisses and laughing along the wat like conspirators. The moment we dropped it into place in the empty guest chamber, I caught her by the waist and pulled her down onto the soft surface with me.

“Luke—my lord castellan—we really shouldn’t—” she protested weakly, even as her legs parted eagerly for me.

 
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