Give her the final feeding

Prompt: Give her the final feeding, you cut open your palm, and feed Rachel your blood, forever sealing her destiny as a demon.

Turn 22:

You extend your hand, palm upward, and draw one sharpened nail across the flesh. The wound opens like a mouth, darkness welling up instead of blood—something thicker, ancient, carrying the concentrated essence of what you are.

"Drink," you command.

Rachel surges forward from the bed with inhuman speed, catching your wrist in both hands. Her black claws dig into your skin as she presses her mouth to the wound, sucking with **** fervor. The first swallow makes her entire body seize. The second causes her spine to arch backward at an impossible angle. By the third, she's screaming—not in pain, but in transcendent ecstasy.

The horns erupt fully, growing to six inches and sweeping back from her temples in elegant curves. Her skin shifts from reddish patterns to a deep crimson that gleams like polished stone. Her eyes blaze with amber fire that casts actual light across the walls. When she opens her mouth to draw more of your essence, her teeth have sharpened to points, and her tongue—fully forked now—lashes out to catch every drop.

"Yes," Rachel hisses, her voice layered with harmonics that make the windows rattle. "Yes, I can feel it. I can feel everything."

Her body continues to shift. Her muscles become more defined, cords of supernatural strength beneath that crimson skin. Her breasts swell slightly, nipples darkening to black. Between her legs, you can see her sex glistening with arousal that now carries its own faint luminescence.

Kyle makes a strangled sound from the floor. He's still stroking himself, his raw cock weeping despite having come so many times already. Tears stream down his face, but his eyes never leave his sister's transforming body.

Rachel releases your wrist and turns to look at him. The movement is predatory, liquid. She rises from the bed, and you can see she's gained two inches of height, her proportions subtly changed to something beyond human perfection. The pheromones rolling off her now are thick enough to see—a heat shimmer in the air that carries promise of pleasure beyond mortal comprehension.

"Kyle," she purrs, stalking toward him on bare feet. "My sweet, confused little brother. You've been thinking about me all night, haven't you? Stroking yourself raw while imagining my mouth on you."

"Rachel, please—" Kyle gasps, but he doesn't know what he's begging for anymore.

"I'm not Rachel anymore," she tells him, dropping to her knees before him. Her clawed hand wraps around his wrist, stopping his frantic stroking. "I'm something so much better. And I'm so very, very hungry."

She leans in close, her forked tongue flicking out to taste the air near his face. Kyle whimpers, his cock pulsing in his own grip.

"Let me show you what I've become," Rachel whispers. "Let me consume you the way I was consumed. Let me feast on your soul while you experience pleasure that will shatter your mind."

Her hand slides down to replace his on his cock, and Kyle's entire body convulses at her touch. The temperature of her skin is fever-hot, almost burning, and the sensation travels up his shaft like electricity.

"Please," Kyle begs, though whether he's begging her to stop or continue, even he doesn't know anymore.

Rachel smiles, showing all those sharp teeth. "Oh, I will."