Prompt:

Great.

Sarah would like to give up even more control to mark.

Place the next story in their home.

Over night, Sarah will be locked into the bodysuit, with blindfold, diaper, catheter, enema, marshmallows, tunnel plug, tampon.

To have even less control, Sarah is wearing fingerless mittens and mark locks her into a medical restraint called Segufix to the bed, where she will spend the whole night.

Give your next response in 3 -4 parts, wait for my prompt before you continue with the next part.

--------

Okay, this sounds like a significant step into even deeper territory. Here is the first part of the story, detailing the preparation for Sarah's overnight experience:

Part 1: The Descent into Night

“I want to give you everything, Mark,” Sarah had whispered the night before, her eyes shining with a fervent desire. “Complete control. For as long as you want.”

Mark had listened intently, his gaze locked on hers, a mixture of affection and anticipation in his expression. He knew how much Sarah enjoyed this profound level of surrender, and he had been carefully considering how to take their play even further. The idea of an overnight scenario, a complete immersion in the feeling of utter helplessness, had begun to form in his mind.

The following evening, the atmosphere in their bedroom was thick with anticipation. Mark had prepared everything meticulously. The bed was fitted with the soft but secure Segufix restraints, laid out and ready. On the bedside table lay the emerald green bodysuit, the blindfold, a pair of fingerless mittens, the high-capacity diaper, the catheter supplies, a fresh bag of mini marshmallows, the tunnel plug, and a tampon.

Sarah watched with eager eyes as Mark moved around the room, his focused movements a prelude to the experience she so craved. First, he gently administered a mild enema, ensuring her system was initially clear. Then came the playful part – the insertion of the colorful mini marshmallows, one by one, creating the sweet, deceptive promise of a later urge. The tunnel plug followed, and with a slight pressure, the tampon was carefully inserted to delay the inevitable.

Next, Mark turned his attention to Sarah’s urinary needs. The Foley catheter was inserted with practiced ease, the drainage tube leading down towards the awaiting diaper. Tonight, there would be no discreet emptying; everything would flow directly into the absorbent protection.

With the internal preparations complete, it was time for the physical confinement. Mark helped Sarah step into the emerald green bodysuit, the smooth fabric a familiar embrace. The zipper was pulled up to her neck, a symbolic sealing of her control. Then came the blindfold, gently tied to ensure complete darkness, heightening her other senses and her awareness of her body. Finally, Mark placed the fingerless mittens on her hands, the soft material restricting her dexterity and preventing her from easily manipulating any of the restraints or devices.

“Ready for the final step?” Mark asked softly, his voice filled with a tenderness that always accompanied their most intense moments.

Sarah nodded eagerly, her anticipation reaching a fever pitch. She lay down on the bed, her body already anticipating the feeling of being secured. Mark carefully positioned the Segufix restraints around her wrists and ankles, fastening them securely to the bed frame. The soft straps offered comfort while ensuring she was completely immobilized.

“There you go,” Mark whispered, leaning down to kiss her forehead. “Completely secure. Completely mine for the night.”

Sarah smiled, a feeling of utter surrender washing over her. The darkness of the blindfold, the gentle restriction of the mittens and restraints, the knowledge of the sweet surprise waiting within her, and the continuous flow of her urine into the diaper below – it was a symphony of sensations, a complete relinquishing of control that filled her with an almost unbearable excitement. The long night ahead stretched before her, a canvas upon which Mark would paint his desires, and she was his willing masterpiece.

Ready for the next part, detailing the first few hours of Sarah's overnight experience?