[smut alert, don't read if uncomfortable]

His intense gazing was enough to send shivers all over her spine and have her ask in anticipation, "John, will it hurt?"

"It won't," John replied as he played with the metallic ball brushing it through her smooth skin. It was cold but plain and it almost felt pleasuring until John led the ball closer to Roselyn's inner thighs and she unconsciously tried to close her legs but the rope impeded her movement and bounced her legs painfully.

"Do you trust me?" John asked with a smooth decisive voice and Roselyn hesitated, not because she didn't trust him but because she still had to make a habit of those weird activities and find a comfortability in them.

"I do." She murmured out and he stared straight into her eyes when he inserted the ball inside her. She tensed her muscles as she felt a cold presence entering inside her and unconsciously her intimacy tightened. An electric stroke the ball released making Roselyn jolt and swallowed down as she felt electric shakes amplifying inside her intimacy and then shivers running through her thighs.

"Don't be so tense," John suggested in a whisper as he grabbed her hair in a ponytail and lifted it to lean over her and push her gently against the wall to begin planting kisses all over her neck to relax her.

Roselyn's breath slightly quickened as his hand went to grip around her hips. John removed his pants and undressed.

Another stroke the ball released and this time Roselyn whimpered.

John's kept placing delicate kisses over her neck until he reached Roselyn's breasts and pressed his tongue against her nipple. When Roselyn moaned out of pleasure the ball still inside her trembled and sent electric strokes inside her core. Roselyn couldn't suffocate another moan which escaped from her lips.

John kept playing with his tongue by drawing circles around her nipple and then sucking from it until it hardened and Roselyn involuntarily arched her back.

Roselyn's fist gripped against the blankets of her bed when the ball still inside her kept shaking and sending multiple strokes all over her and Roselyn could hardly manage to refrain herself from moaning out again and again.

"I told you to trust me." He said as he kneeled to face and admire how wet she was getting.

His lips now wettened her clit and the more Roselyn's vaginal muscles contracted the more it stretched and the more pleasuring it was. The ball with its short yet intense repetitive strokes was enhancing the pleasure and amplifying each orgasm Roselyn had.

From the string that exited from her vagina, he rolled it around and slipped it inside out to give her additional pleasure.

Another moan Roselyn took when he fully removed the ball that now was soaking wet to enter in her with his member. Roselyn felt the need to retreat slightly as the thrust was so intense and strong that she whimpered out.

He slipped in and out easily as she was so wet and stretched.

Despite Roselyn's legs were tied they were still squirming making the bed's bars slam against the wall.

"I want you to stop moaning," John said hinting at a smirk as he curved his eyebrows.

John thrust even more and Roselyn turned her head around to bite the pillow not to moan out again.

How would he ask such a thing? How could she contain herself?

His hands gripped over her thighs as he clung onto it to keep thrusting over and over.

Roselyn tried to suffocate each moan biting her tongue but the more he thrust deeper and quickened the more her efforts were becoming in vain, multiple shivers running through her hips and her back.

"Please…." Roselyn begged in low voice.

"All I want to hear is you moan out my name. Now." He ordered another thrust he took and Roselyn felt her legs begin to shake and shivers running from her stomach through her neck.

It was difficult to try to command what to say when all that she wanted to moan was scream of pleasures and whimpers.

"Oh… John…"

She finally said in a whisper as his thrusts were so strong that her back began to hurt and her legs were tired from both being tied and for being crushed over and over against the bed's surface.

John's eyes reddened hearing the sweet melody of her moans as she kept calling out his name over and over at each thrust.

Roselyn could feel her pelvic floor muscles more strengthened and more relaxed probably due to the pleasure ball they previously used but unlike the other times she wasn't in pain anymore and all she received from each thrust were flows of pleasure and passion.

John's grunted at each thrust as he was reaching his climax as well and he kept pushing her from her hips as Roselyn's breath quickened always more.

"Oh John…"

Roselyn moaned while she rolled her eyes and she arched her back abruptly that the ropes that tied her over the bed's bars bounced her back crushing her against the bed.

A whimper of pain mixed with pleasure when John didn't waste time to begin thrusting again as Roselyn was so close that the tingling of her fingertips reached almost her calf and goosebumps formed over her skin.

John took one last grunt as he thrust as hard as he could and they both reached their peaks simultaneously.

Roselyn's legs were shaking as she felt a cascade releasing from her intimacy as she managed to catch her breath.

Was it possible that every time they were doing something it was better than the last time they were doing it? Did he improve his performance day by day? If so Roselyn was even more willing to remain with him for the rest of her life.

John after few minutes finally slipped out and smiled at her, before rushing to untidy her wrists and ankles.

Roselyn wanted to move her legs or to shake those as she felt the usual tingling sensation after being tied up but as soon as she tried to move a burning sensation inside her intimacy impeded her any movement.

"Ouch.." A complaint escaped from her lips when she also tried to move her back but it was aching.