My girlfriend Lydia and I are very up front with each other.

That’s one of the reasons we’ve been together for six years without any serious problems. Our openness has also led to some adventurous times, one of which happened very recently.

Lydia has always been interested in surfing. A few weeks ago she met a customer at her store who surfs. They struck up a casual conversation about their shared interest, and Jason asked Lydia for her number. She graciously declined but gave him her e-mail address.

That evening, Lydia told me about meeting a potential surf buddy. I should have known more would come of it when she told me Jason was British. Lydia’s always had a thing for Brits — something to do with the accent, I imagine. Nevertheless, I thought it was great that she was making new friends and asked when I’d get to meet him.

“Well,” she said, “he asked me if I’d like to meet him for coffee sometime, and I agreed as long as I could bring someone along with me.”

“Didn’t you tell him you’re involved?” I asked.

“Not yet,” she said.

The next evening, we met Jason at a nearby coffee house. I could see why Lydia wanted to see him again. He was tall, just a couple inches shorter than me, at six four. He had a decent build and looked like the surfer type. To his credit, Jason took it well when he found out Lydia and I were together. He seemed a little put out at first, but we were all laughing and joking again in no time. The three of us got along quite well and we made arrangements to meet at the beach later that week.

That night I could tell there was something on Lydia’s mind when we got home. I playfully pinned her to the bed, me still naked from a shower and she in her bra and panties, and asked her what was on her mind.

“Nothing,” she said, not making eye contact.

“You’ll feel better once you talk about it,” I said.

“If you really want to know, I want to fuck him,” Lydia blurted out.

I was stunned at first because Lydia is usually the goody-goody and I’m the perv, but to be honest, I was also very turned on. We’d talked about it before. I had been Lydia’s first lover, and I could understand her being curious about being with other men. I’d also fantasized about watching her get fucked by another guy.

I slid off her panties, noticing that the cotton crotch was drenched and her bald slit was obviously wet.

“So you really want to fuck Jason?” I asked as I slid into her juicy hole.

“Oh, yes!” she said.

“Shall we arrange something?” I asked as I moved in and out of her.

She rolled me over and rode me as she screamed, “Yes! Yes! Yes!” and came so hard, my cock, balls, and the sheets under us became soaked with her juices.

We arranged to meet Jason at the local nude beach, telling him there were some waves to be had there. But in reality it was because it would make what Lydia had in mind that much easier. We’d brought our own condoms since we didn’t know Jason’s sexual history.

The first time we went to the beach was a complete washout. Dark clouds covered the sun, and the water was too calm. It was as if we were trying to surf in a lagoon. But Lydia looked fantastic. She’s five four and weighs 100 pounds, but she’s got a firm pair of C cups and a fantastic ass. She works out regularly, so she’s also got a tiny waist, tight abs, and finely toned arms and legs. Combine all that with her lustrous, long dark hair, cascading in coppery-highlighted waves down her back, a gorgeous face, and mesmerizing green eyes that glow like jade, and what you’ve got is a perfect ten.

She was dressed to kill that first day in a skintight lycra surf shirt that showed off her erect nipples in the cool water, and a pair of white board shorts that became transparent when wet, showing off her ass. Jason couldn’t take his eyes off of her every time she got up on her bodyboard, lifting her very visible ass out of the water. I also noticed a bit of a pup tent in his shorts when he got out of the water after watching Lydia.

The second trip to the beach was more eventful, because the sun was out. It was a gorgeous day, so Lydia and I decided to hit the beach early and do some nude sunbathing. When Jason arrived, he got quite a show, since both Lydia and I were still sunbathing and she greeted him naked. She jumped up and threw her arms around his neck, planting a quick kiss on his cheek and pressing her breasts against him. His face flushed and he quickly sat down, pulling his backpack onto his lap — supposedly to take out his towel and stow his shirt.

After he finished, he still sat there with his pack on his lap, chatting with us but showing no inclination of standing up. He was making an obvious effort not to stare at Lydia. I’d put my shorts on right after Jason arrived, but Lydia had decided to keep giving Jason something to think about. After 30 minutes, she cut him a break and put on her shorts and shirt. The poor guy was still flushed from hairline to chest and had clearly been struggling to hide a surprise boner. He visibly relaxed. After only a couple more minutes of stalling, we all got into the water.

Lydia asked Jason if he’d teach her how to sit on his surfboard. It’s actually a lot harder than it looks. He demonstrated.

“Let me try,” Lydia said, straddling the board in front of him. He started to get off the board, but she grabbed his thighs and said she still needed his help. They both sat up and she slid back so her butt was pressed right up against his crotch. He tried to scoot back, but she grabbed his thighs again and held him in place.

“So how do you paddle like this?” she asked.

“Paddle?” Jason asked, his voice cracking.

“Yes, paddle. We can’t just sit here, or we’ll wash in.”

“You’ve got to bend forward and stroke — I mean, paddle — once with both arms as you straighten up.”

So they tried paddling in tandem, both bending over, his chest pressing against her back. Lydia made sure to put a lot of work into her hip motions, rubbing her ass against his crotch with each stroke.

After about six strokes, Lydia said, “I think I’ve got the hang of it now,” and slid off into the water. She swam over to where I was treading water — and watching the show — and slipped her hand into my shorts, stroking my already chubby member as she whispered into my ear, “He got so hard, and I’m so fucking swollen, I can’t take it!”

“Did you like it?” I asked, keeping my voice low.

“I could feel his cock against my ass. It felt like a rock! He was so afraid to move, so I just kept rubbing up against him. I wanted to make him come in his shorts! I want that cock, Alex!” she hissed into my ear as she continued to stroke me.

“Should we go back to his place?” I asked.

“Yes!”

We separated before I blew my load, and I swam over to Jason while Lydia swam to shore. When I got to Jason, he looked like he’d been caught with his hand in the cookie jar, guilt all over his face. I put my arm across the board opposite Jason and said, “Lydia’s ready to go, but I’ve got a raging hard-on that needs a few minutes to calm down. I’m sure you can sympathize.” Then I smiled and gave him an exaggerated wink.

He looked surprised, and then relieved. “I thought you’d be pissed,” he said.

I gave him a friendly slap on the back as I swam off and said, “Whatever Lydia wants, Lydia gets.”

Lydia met me on the shore with my towel. She got up on tiptoe to give me a lingering kiss as we waited for Jason to come in. After Jason got to shore, I asked him if he’d like to see a movie with us. I knew he’d say yes, and he did.

“Is it all right if we stop by your place to freshen up before going?” I asked. He hesitated. I was afraid he was going to back out, but Lydia picked up the cue perfectly.

“I’d just like to wash my hair and rinse all the salt and sand off my body. Since you live so much closer to the theater, it would be much quicker to just go there,” she said.

I don’t know if it was her argument that convinced him or if, like me, he just couldn’t say no to Lydia. Either way, he gave in and we followed him to his place.

Lydia showered first while Jason and I waited in his bedroom for our respective turns in the bathroom. After a few minutes, Lydia came back into the room wearing only a towel. I could tell Jason was pleasantly surprised to see her like that. We told him he could go next. While he was gone, Lydia and I went over our final plans. We made sure she knew where our condoms were in case Jason didn’t have any. I also told her I’d give her and Jason a couple of minutes to get started before I came back in.

In no time, Jason was back, dressed in boxer shorts with a towel draped over his shoulders. Lydia was obviously disappointed, but I gave her a wink and went into the bathroom, leaving the bedroom door slightly ajar.

I jumped into the shower, taking only enough time to rinse off the salt and sand, and then sneaked out of the bathroom and back to the bedroom. I got to the bedroom door just in time to hear Lydia say, “... wondering if you have any condoms?” I looked through the crack in the door and saw Lydia drop her towel, as if to clarify her question. Jason stood there for a few seconds, staring at her nude, glistening body at the foot of his bed. I could clearly see his erection growing inside his shorts.

Without saying a word, Jason walked to the bedside table and extracted a foil-wrapped condom from the drawer. After Lydia sat down on the edge of his bed, he came back around and stood before her.

He started to unwrap the condom, but she reached up and took it from his hand and said, “Let me do it.”

Without any further prodding, Jason pulled down his shorts. His erection was only inches from her face. She reached up and touched it.

“I’ve never seen an uncut one before,” she said as she traced the edge of his foreskin, making him gasp.

She finished opening the condom wrapper and held it poised over the tip of his penis as it peeked out of his foreskin. She pinched the tip of the condom with one hand and rolled it down the length of his hard shaft with the other. He closed his eyes and tipped back his head, moaning deeply.

That done, Lydia lay back on his bed, spreading her legs and offering her hairless pussy to him. He inched closer, then hesitated, worried about me.

“What about Alex?” he asked.

“He knows exactly what we’re doing,” she replied. “He gives me what I want, and I want you to fuck me. Now!”

She took hold of his penis, guiding it and him closer to her until he was on all fours over her, the head of his penis hovering over her wet slit.

“Fuck me, Jason,” she whispered.

I saw his abs tense as he slid his hard cock into her dripping pussy. She grunted as he pushed his full length all the way inside her.

My heart was pounding as Jason balanced himself and started plunging in and out of Lydia’s cunt. My heart almost stopped when Lydia looked straight at me, knowing that I’d been watching, and smiled. She started moaning. The only sound from Jason was his heavy breathing and the rhythmic slap of his thighs meeting hers with every thrust of his cock.

I slipped into the room, led by my throbbing penis, and found a position where I could watch Jason’s cock slide in and out of Lydia. Each time he pulled out of her, his cock was dripping with her wetness. The sheet under her ass was already soaked. I heard her choke back a scream as she came, adding to the moisture.

After a few short minutes, I noticed Jason’s rhythm beginning to falter. He was getting close. His breathing became more ragged, and then he tensed up, crying out gutturally as he came. He thrust twice more, then he collapsed on top of her naked body with a heavy sigh.

I climbed into bed and lay down next to Lydia. Only then did Jason notice me. He rolled off of Lydia, pulling out of her and eliciting an unhappy grunt from her. She grabbed his arm and said, “Don’t go away. Alex got to watch. Now it’s your turn.” He sat on the edge of the bed, looking at both of us, his erection long gone. Lydia then turned to me and smiled. “I love you,” she said.

“And I’ll always love you,” I replied. “Did you like it?”

“Mmm, yes. But I only came once, I need more,” she said.

With that, she climbed on top of me and raised up enough to position my cock at her opening. She moaned as she took me all the way inside and started grinding against me, quickly building to an orgasm. She threw back her head and screamed, “I’m coming! I’m coming! Oh! Touch my tits, baby!” I started to reach for her breasts when I noticed some movement to her left. Jason was still sitting on the edge of the bed, used condom discarded and cock hard once again. I motioned to him and he started fondling her breast and stroking himself. I groped Lydia’s other breast. She continued bucking against me, yelling and grunting. She then looked down and saw both of us caressing her tits, and let loose with another screaming orgasm.

“I want you to come now, baby,” she told me. We rolled over. I began pounding into her, watching as her tummy swelled with every thrust.

“Suck my tit!” she commanded. He lowered his head to her breast, taking her hard nipple into his mouth. Jason furiously pumped his shaft, on the verge of orgasm, as he watched us.

“Come on her breasts,” I said.

“Yes! I want your come all over my tits!” Lydia yelled.

Jason’s cock started jumping. He positioned it over Lydia’s chest, squirting gobs of thick pearly cream all over her tits, which were still bouncing as I continued to fuck her. He then rubbed the tip of his penis over her sticky nipples.

That was all I could take. I pulled out of Lydia and added my come to Jason’s. She took hold of both of our cocks, coaxing out the last few drops. Then she started rubbing her breasts, spreading our come all over them and rolling her nipples between her fingers.

We tucked Lydia between us and we all fell asleep. Later she and I got up and took a shower together. Then we got dressed and let ourselves out without waking Jason. He probably believes it was all just a very vivid erotic dream.