Mary lay on Jack's bed, her eyes closed, her body completely relaxed. Jack sat in a chair next to the bed, a notepad on his lap, watching her carefully.

"Mary, you're getting very sleepy," Jack said in a low, soothing voice. "Your eyelids are getting heavy, and you're feeling more and more relaxed."

Mary's breathing slowed, and her body seemed to sink deeper into the mattress.

"That's right, Mary," Jack continued. "Relex. Let your mind drift. Weightless, thoughtless... You're under my control now. You don't need to think. Listen to my voice, only my voice."

Mary's eyes closed fully, her breathing slowing further. Jack couldn't believe it was actually working. He'd expected Mary to go along with it for a while as a fun roleplay, but instead here she was in an actual trance.

He tried to keep the excitement out of his voice, trying to maintain the calm even tone he'd been using as he continued. "Now, Mary," Jack said, "I want you to tell me your deepest, darkest fantasy. The one thing you've never told anyone else. The one thing you've always wanted to do, but have been too afraid to admit."

Mary's body tensed, and for a moment, Jack thought she might resist. But then she spoke, her voice barely above a whisper."I want to be your pet," she said. "I want to be trained. Trained to obey your commands, to serve you in any way you desire. I want to be punished when I misbehave, and rewarded when I'm good. I want to be a good little pet"

Jack's eyes widened in surprise. He didn't know what he'd been expecting - a threesome, or something in public maybe - but certainly nothing like this.

He cleared his throat in an attempt to regain his composure."Thank you, Mary," he said. "You're doing very well. In a moment I'm going to bring you out of your trance. You will remember everything you told me, but you won't feel embarrassed. In fact you'll feel excited and happy that I know"

"Yes, Master" Mary replied, her words coming slowly. Jack felt a sudden surge of desire rush through him. He'd never had anyone call him Master before. Just hearing her say those words made him feel stronger, more confident. Empowered.

"When I count to three, you will wake up. Feeling relaxed. Feeling good. One. Two. Three"

Mary's eyes fluttered open. As she focused on Jack sitting beside her "Well that just happened!" she said.

"How do you feel?" Jack asked her.

Mary thought for a moment. "Nervous, but... happy? Like I'm glad I told you?"

Jack smiled, and decided to try something out. "Good girl"

He wasn't prepared for the strength of Mary's reaction. Her lips parted in a soft moan, her cheeks flushed red, and her nipples were suddenly visible pushing through her cotton shirt.

"Thank you. Master." She said the last word quietly, uncertainly, looking up at Jack for approval. He reached forward, running his palm over her. That elicited another soft moan from Mary.

Remembering the words she had used while hypnotised, Jack asked "Do you want to be a good little pet and do as you're told?"

"Yes Master" Mary's voice was still quiet, but there was a slight undertone of excitement as she spoke.

"Now, I want you to stand up and take off all your clothes. Slowly." Jack said.

Mary obeyed, rising from the bed and shedding her clothes slowly and teasingly until she was completely naked. Jack could see the goosebumps on her skin, and he knew it wasn't just from the cool air in the room.

"Good girl," Jack said again as he surveyed her body. Was it his imagination, or was she standing a little straighter, pushing her chest out a little more than usual?

"Now, I want you to get on all fours and crawl to the other side of the room."

Mary obeyed, moving awkwardly on her hands and knees. Jack could see the blush of embarrassment on her cheeks, but he also saw how she arched her back, the way her ass swung from side to side as she crawled.

"Stay there and wait for me," Jack said. "I'll be back in a moment."

He returned a minute later to see Mary sitting patiently on the sofa waiting for him.

"Did I say you could use the furniture?" Jack said, pretended anger in his voice. Mary yelped and quickly returned to kneeling on all fours on the floor.

Jack picked up a magazine, quickly rolling it into a tight baton. Mary's eyes widened when she saw it. She knew what was coming.

"Never forget that you're my pet, and that means you must be trained to obey me. If you misbehave, there will be consequences." He tapped the magazine into the palm of his hand for emphasis, making a dull smacking sound.

Mary nodded, her eyes wide with fear and excitement.

"Come here" he pointed to a spot in front of him and Mary quickly crawled across. "Turn around" He could see the tension in her muscles as she held herself ready for punishment.

Thud! The magazine landed squarely across her left buttock. Mary rocked forward and squealed at the unexpected intensity of the impact, but quickly got back into position and waited.

Thud! This time he struck her right ass cheek, and again Mary cried out and instinctively pulled away from the impact.

Thud! The left cheek again. Mary's cry was louder this time and it took her longer to get back to her hands and knees.

Thud! The final strike on her right buttock was the firmest yet. Mary collapsed down to lay flat on the floor as she shrieked at the pain. Jack was worried he might have pushed too far. He dropped the magazine and walked around her prone body, kneeling beside her head. "Are you ok?" He asked.

Mary took a deep breath and returned to her hands and knees "Yes, Master. Thank you Master."

He studied her expression, wanting to be sure before he continued the game. Mary's eyes sparkled with unshed tears and her cheeks were flushed, but beyond that there was something more. Not happiness exactly, but similar. As he kept looking, the answer came to him: contentment.

"Good girl," Jack said, stroking Mary's hair again and gently kissing her lips. "I want you to crawl back to the bed and wait for me."

Mary obeyed, moving slowly on her hands and knees. Jack followed, watching her ass waving in the air with each step, admiring the bright red stripes the magazine had left. He could tell by the way she moved, how obviously wet her pussy was that, she was enjoying this almost as much as he was.

"Mary, my little pet" Jack said "I want you to get up on the bed, lay back and spread your legs for me"

Mary obeyed, wincing slightly as her sore ass touched the rough sheets. As she parted her thighs, Jack could see the moisture collecting on her pussy, her labia and clit swollen with desire. The scent of her arousal filled the air.

Jack slowly undressed, making Mary wait for him while fully exposed. The anticipation and vulnerability of her pose only heightened her arousal. As the need became too much, her hand moved down towards her clit, but a sharp "No! Bad!" From Jack froze her in place with a whimper of longing.

Finally naked, Jack climbed onto the bed kneeling between her thighs and positioning himself against her wet entrance. Mary moaned with frustration, her hips lifting as she tried to capture his cock. The movement only served to tease her more as she felt his tip sliding between her lips, briefly brushing her clit, then sliding back down again.

"Good girls ask nicely" he told her

Mary's moans grew louder "please Master" she gasped out. "Please!" Jack waited a beat, then thrust slowly into her, pushing forward until every one of his 7 inches was buried inside her. He gradually increased his pace, building to a steady rhythm Mary's body moving in time with his. He moved faster and harder, urged on by Mary's moans and cries "Yes! Please! Harder!"

Mary's breath came in short gasps and animalistic noises, too lost in pleasure to keep talking. Her hips thrusting wildly as she neared orgasm. At the last moment Jack pulled out.

"Make yourself cum for me" he ordered.

Mary whined in frustration, wanting so badly to cum with his cock inside her. "Are you going to be a bad girl again?" Jack asked her.

Mary glanced across the room at the still rolled magazine and quickly shook her head. "No Master."

She quickly started to obey his instructions, her hand moving rapidly as she thrust it between her legs, two fingers plunging into her pussy while her thumb rubbed back and forth across her clit.

Jack watched intently as Mary came only seconds later, her body shaking with pleasure. As she collapsed back exhausted, he moved back between her thighs and entered her again, moving slowly this time, savoring the feeling of her wet inner muscles as they gripped around him.

He tried to hold back, wanting the pleasure to last. Mary wrapped her arms around him and whispered in his ear "Master" as she tensed around him. It was more than he could resist and he came, his cock spasming as he shot thick streams of cum into her over and over again.

He collapsed down beside her and Mary curled up against him, her head resting on his chest as he put his arm around her shoulders. "You're a very good girl" He said once his breathing was back to normal. "I think you deserve a treat. Would you like me to get you a collar?"