I don’t think Susie could have ever imagined what my fantasy was, much less imagine fulfilling it.

Let me back up. I am a pretty good looking guy, nice thick hair, blue eyes, but skinny and at 5’9” not that tall. Susie is almost as tall as me, also slim, with creamy white skin, curly brown hair and big brown eyes. She has nice tits and a big ass and gets attention when she walks by.

Susie is a sweetie that everyone likes. We had dated for almost 6 months and although we had a very nice sex life, we were at a stage where we were challenging each other to find new experiences. Susie had expressed an interest/openness to anal, but that hadn’t really worked out. More successful was her desire to fuck in public, the two of us behind some bushes in a park when I hiked up her skirt and took her from behind.

One evening, after a nice fuck at her apartment she was trying to get me hard again for more and she kept playfully pushing as she lay on my shoulder and stroked my body. I think I was just in a tired and comfortable place and was feeling a buzz from drinks earlier ... so I told her ... I told her I had fantasized many times about watching her fuck another guy.

“Another guy? Really?” she said with a gasp and a little giggle. My throat was dry and I just nodded, my face reddening.

Susie was quiet for a moment, thinking. “Like ... who?” she asked, genuinely trying to understand.

“Well ... ummm ... different guys ... I...”

“Like that guy who hit on me last weekend at the bar while you were right beside me?”

I knew exactly who she meant. He was a big guy who either didn’t notice me beside Susie or didn’t care. He was oozing with confidence as he told her how hot she looked in her sun dress. Susie smiled up at him and let him sweet talk her more before she he asked for her number and she said she was with me. The guy took it well, laughing and saying Susie should look for him when she was alone some time. I was going to interject but the music was loud and ... it was hot seeing her flirt gently with the guy.

“Oh my god!” she giggled, squeezing my cock. You’re hard just remembering that. Were you hard at the bar?” I nodded, unable to speak.

“Haha ... you’re such a perv!” There was a mischievous glimmer in her eye and she started to slowly stroke my cock. “Hmmm ... would you have liked it if I gave him my number? What if I squeezed his big arm? Mmmm ... what if I let him kiss my neck while you...” She stopped and laughed when she felt some pre cum squeeze out and on to her hand.

“Wow! This really is your fantasy!” she said, sounding both amused and amazed. “What turns you on so much about seeing me with another guy?”

I was excited to talk about all this, but also felt shame. I told her it would be hot to see her put on a show another guy, but I also got off on the humiliation aspect of watching her with another man

“Wow.” Susie said again, this time quieter. “But ... it’s just a fantasy? Have you ever tried?”

I admitted I hadn’t but told her about my ex. who, after she broke up with me, used to call and tell me about guys she was hooking up with. Over time I would ask for more and more details and ... jack off as she told me what a slut she had been.

“That’s wild. And you know ... a little pathetic.” Susie giggled then laughed louder as my cock twitched.

Over the next two weeks Susie and I had a lot of hot sex while she teased me about scenarios with other guys ... letting the FedEx guy come in and fuck her in my bed, giving the bartender and sloppy bj, fucking her boss and sending me video clips. I thought that was as far as it would go, and for the time being it was super exciting. Then, almost out of nowhere, she took it further.

One evening, we were walking home through the park when she turned to me with a smirk and a glimmer in her eye. “Ready?”, she asked mischievously. I looked at her in confusion and she squeezed my hand and told me to “Stay!”

I watched Susie walk over in her sundress towards a group of skateboarders then saw her approach a bleached blonde dude. He was shirtless, toned and looked about 18 or 19. She said something to him that made him smile, then she leaned forward and whispered something in his ear and his friends looked on. Just watching this moment of simple intimacy made my cock twitch. Susie looked back at me with a big grin and waved. I gave a fey wave back and the two of them shared a laugh. I felt humiliated and part of me wanted to flee, but another part of me hardened. I watched the young man take her in his arms, watched her breasts push up against his shirtless torso, Susie tilted her head back and he kissed my girlfriend hard. Before long his hands were disappearing under her skirt as he groped Susie’s ass and his friends whooped. I just stood there frozen, maybe 30 feet away while another guy was molesting my girl. Finally they came up for air.

Susie smiled sweetly at the guy, told him something quietly, then motioned for me to come. I was blushing as I approached, unable to look the young guy in the eye. Susie took my hand and introduced him as Max and I mumbled hello.

“I think you should thank Max for spending time with me.” Susie said brightly. I looked at her and saw a playfully evil grin on her face.

“Oh ... I...” I fumbled, running my fingers through my hair, “errr ... thank you Max.” One of the other skateboarders laughed loudly as Max assured me he was available ‘anytime’, and Susie took my hand again and led me away.

We had an amazing fuck when we got back to her place, with Susie teasing me the whole time about Max. “I felt like such a slut when he groped my ass under my skirt with his friends watching.” “I could feel how hard he was, he really wanted me.” “Did you like just standing there while he made out with me? I’m sure he thought you were pathetic.”

She seemed to get more into it as she could see how excited it made me as she taunted, “Mmmmm ... did you see all his friends watching? I bet they all wanted to feel this skin ... I bet they all wanted to fuck me.” She emphasized the word fuck as she rode my cock. “Would you have liked that? To watch them fuck me one after the other?” I shot into her, unable to hold back any longer.

Afterwards she lay on my shoulder quietly, then said, “You really loved that didn’t you?” I didn’t answer, my heart beating fast. There was a long silence.

“Do you really want to see me fuck another guy Shel?”

I was scared to admit it, but I told her I really did, that I was fantasizing about it all the time. She laughed and started to tell me all the guys she might fuck as she pushed my head down to her wetness and made me eat her out.

Before she fell asleep, exhausted, Susie said, “If we’re going to do this I don’t really want it to be with someone we know. Ideally it would be out of town.” I hardened again at the thought and started to imagine how to make this real.

I was both nervous and excited as we left for Miami less than two weeks later. Susie kissed me hard as we took off and whispered in my ear how lucky I was to have such a slutty girlfriend.

After we were in the air she said just loud enough so that I was nervous the woman across the aisle might hear,

“Are you ready to be my bitch Shel?” I hardened, and quietly nodded and she pressed, “Tell me Shel,” she said reaching under the blanket and my pants to grab my semi erect cock.

“I ... am ready Susie.” I murmured while she stroked.

“Yeah?” she said stroking faster. “Ready to watch me?” she teased...”to watch your girlfriend fuck another man?”

I shot cum into her hand, surprising her, but she kept stroking. I let the mess dry in my pants the rest of the flight while my girlfriend slept with her head on my shoulder.

We checked into the rather basic hotel that I had booked for us. The plan was to enjoy a special night out. Susie had a long shower. When she came out in her towel I was eager to fuck but she told me she wanted to be fresh for the tall man she intended to meet that night. I played with myself as she got dressed. She looked amazing in a short white dress that clung to her tits and exposed a good amount of cleavage. There was a slit that went high enough that any straight man would have to take notice. She teased me about how I was going to have to watch her later as I jacked off, made me admit again how badly I wanted to see her used.

We walked into the sleek hotel lobby hand in hand. I looked at Susie who had a little smile on her face and felt overwhelmed by how beautiful she looked. Could I really handle watching another man take her ... while I watched? I was rock hard despite having cum less than an hour earlier.

We got expensive drinks at the bar and nervously chatted. The bar was filled with fancy looking people, more men than women, most older than us.

Finally Susie took charge, “Why don’t you head off to the bathroom?” she said with an evil grin. “And take your time.”

I looked into her big eyes and nodded. The bathroom was rather far and my heart was beating fast by the time I got there. Was this really going to happen or was it just a delightful idea?

While I was gone Susie wasted no time. She smiled at an older, tall, distinguished man who had been checking her out. When she gave him a little smile and a nod, he approached.

“Why haven’t you offered to buy me a drink?” she said in an innocent tone.

The man looked her up and down and chuckled, “I thought you were with that boy.”

Susie touched his arm, “Oh, the boy won’t mind if I have a drink with you. If I have more than that though I might get a little wild.”