"What a coincidence" laughed Erich, adding "that's why we're here!"
I could see his eyes wander over Sylvie's body and it was clear he was imagining what she looked like naked. I felt my cock twitch as he studied her and wondered how things would go later. Sylvie looked a bit uncomfortable as she explained about her part time job and that her boss had asked us to participate.
They both smiled and Ursula asked "is your boss Frank Meier?"
Sylvie nodded and Ursula continued "What a small world! Frank is a good friend of ours and he called and told us about their plans and that he was struggling to find people willing to have their pictures taken naked, he knows we're both keen nudists."
Erich said "We better get going or we'll be late. By the way Sylvie you'll probably see a few familiar faces as we asked some of our friends to join in. Professors Baer and Schmidt will also be here with their partners."
Sylvie nodded but I could tell she was slightly uncomfortable at the thought being naked with her lecturers. As we continued walking, Ursula asked "Do you know who else is coming?"
Sylvie shook her head "No, we were just told another 5 couples would be involved but I don't know who."
The conversation ended as we reached the entrance and Frank Meier greeted us. "Ah, so you've met!"
"Sylvie is actually one of my students!" Erich said laughingly.
"Oh I see, what a coincidence! I hope it's not a problem for anyone?"
"Not for us, we're always glad to see some of the younger generation embrace nudity!" said Erich enthusiastically.
They all turned to look at us and Sylvie said "It's not a problem for us either."
Frank grinned, "Wonderful! Please follow me, the others are already here."
We let them take the lead and I whispered to Sylvie "Are you sure it's OK?"
She shrugged "It's a bit weird but you know I don't really care who sees me naked and what they think about my body anymore."
I nodded and squeezed her hand in support.
We entered a small meeting room that was already quite full. Apart from us there were three other couples. The demographics were well mixed with Sylvie and I clearly being the youngest. Apart from the Wirt's, there was an Asian woman a few years older than us, a similarly aged Indian man and a couple in their thirties. Professor Baer was a woman in her late thirties whose partner was an African man of similar age. Professor Schmidt was in his sixties but his partner looked much younger. Introductions were made and Frank then left to get the photographer who was busy setting up his equipment.
Sylvie began to chat with her mentors from the university and I took up a conversation with the tiny Asian lady, who seemed the most nervous. She was happy to have someone to talk to in English and told me her name was Judy and that she was from Hong Kong. Ravi, the Indian guy and the other young couple soon joined our conversation, the three of them also glad not to have to speak German! Marine and Louis were from the French part of Switzerland, all of them were acquaintances of Frank.
Frank returned with a young, long haired guy that he introduced as Jerome the photographer. He asked if it would be OK for everyone if we used English as there were a few people who had some difficulty with German. Everyone agreed and Jerome took over explaining how the evening would progress. None of us had ever done any modelling and he put us at ease with his relaxed demeanour and calm attitude. He explained that he had three assistants that would be present during the shooting and then asked if we would prefer for him and his team to also be naked. Sylvie and I had no preference, Judy and Ravi said the same but the other couples said that they would feel more comfortable if everyone involved were naked.
Professor Baer asked if we would receive copies of the photos and how much nudity they would actually reveal in the marketing material. Frank spoke up saying that we'd be given a login to the server where all images would be available and would also be allowed to review the ones selected for publication. As to how much nudity would be shown, this was still being discussed but his personal opinion was that the images should be selected based on their visual appeal and not what was or wasn't visible.
Jerome went on to explain that we would start with the pool shots and when that was done move to the saunas. With that the briefing was over and we were all given towels and told to get ready and meet him and the team at the main pool.
At the changing area we ignored the cubicles and began disrobing in the corridor between the lockers. No one took any obvious notice of the others but it was impossible not to glimpse bits and pieces as garments were removed and hung in the lockers. Sylvie and I were amongst the first fully naked. We weren't sure if we should cover ourselves with the towels but decided it would be pointless. As we waited, I took the opportunity to take a closer look at the others.
Judy had just removed her bra and revealed a surprisingly large bust. She was very short and slim and I was pretty sure her breasts were enhanced. They were topped with very large dark brown nipples and hardly moved as she bent down to pull off her knickers revealing a wild black haired bush. As she hung her clothes in the locker, I could see she had a rather flat bottom, contrasting strongly with her over developed chest. Surprisingly she had quite distinct tan lines.
I moved on to Ravi, who was a uniform light brown colour from head to toe. His body was very average and he was neither under or overweight. He was very hirsute, with a thick pelt of dark hair on his chest extending all the way down to his crotch. His thin penis was uncut and, despite being unusually long, did not hang lower than his very loose ball sack. The whole package swung markedly whenever he moved.
Louis and Marine were probably the most model like, it was clear they spent a lot of time working on their bodies. Both had uniform tans and looked very fit, the only hair they had was on their heads. Marine had nice, smallish breasts topped by very large, light pink areolas. Her flat nipples were small nubs about the size of raisins and her pussy was a very neat, small slit. Louis had the physique of a body builder and I felt rather puny and inadequate compared to him except when it came to his sexual organs.
They looked underdeveloped and seemed very small in relation to his bulked up body. His penis was uncut and barely 6cm long, it didn't hang down but protruded horizontally, resting on tight looking ball sack that was only about the size of a large plum.
The rest of the couples were all shapes and sizes. I noticed Erich taking a good look at Sylvie's body and quickly focused elsewhere to avoid a mishap. Two of the university group really stood out, one being Professor Baer's partner who had a massive penis. He really confirmed the stereotypical expectation that all black men had large cocks and, despite him being flaccid, I'd never seen anything that came close to this size. His penis must have been at least 17cm long and as thick as the cardboard tube inside a roll of toilet paper. He was cleanly shaven and the only other man here that was circumcised. His balls were equally impressive and hung loosely between his legs.
The other person of note was Professor Schmidt's partner, now that she was naked I could see that she was a bit older than I'd first thought. Her face was wrinkle free but around her neck and arms you could see signs of age. I pegged her at being about 40 or 45. The thing that made her stand out was her bust, or rather the lack thereof. She had a very similar build to Sylvie, slim with a nicely shaped bottom and amazing nipples, they were even larger than Sylvie's and actually seemed to hang down slightly.
My perusal of the group was interrupted by the arrival of a rather embarrassed looking girl who introduced herself as Mia, one of Jerome's assistants. She looked to be in her early 20's and was the owner of very large hanging breasts and an equally oversized, jiggly behind. She explained that we should all follow her. We did as she asked, stopping for showers on the way.
Jerome and his other assistants were waiting and all were naked as promised. He explained that he'd start with photos in the various pools before moving to action shots in the wild river and on the slides. It was great to be back in the pools naked and Jerome took candid shots as well as asking for the occasional pose.
I won't bore you with a detailed description of all everything that went on, suffice to say that it was a great experience. Boners were unavoidable, and everyone experienced at least one, including our intrepid photographer. It was slightly embarrassing the first time it happened but no one was offended. Samuel, the black guy, was even more impressive erect. His cock didn't grow as much as I'd expected it too but it was still by far the biggest I'd ever seen. It must have measured at least 25cm and drooped slightly. In contrast, Louis barely reached 10cm erect but he didn't seem to care and even posed next to Samuel for fun when both of them were fully erect.
Jerome mixed things up by getting us to pose with others. He put Sylvie together with Professor Schmidt's partner, Emilia as they could pass for mother and daughter and he wanted to give a family feel to some of the shots. For the same reason, I was sandwiched between Ursula and Erich. I jumped slightly when I felt Ursula's hand give my arse a quick squeeze just before we separated and she gave a quick wink. Sylvie had caught the moment and whispered "I see you have a fan!" while smiling at me. I could see she was turned on as her chest was flushed and her nipples erect.
One of the best moments in the pools came when Jerome asked Sylvie to climb onto Ravi's shoulders and for Judy to do the same with me. Ravi and I moved to the edge of the pool and the ladies climbed aboard. I could feel Judy's pubic hair rub against my neck as she settled and I grabbed her ankles to hold her. Watching Sylvie mount Ravi's shoulders caused an instant erection, luckily the water hid the evidence otherwise the all the shots would have been useless. Ravi was holding onto her legs and I knew her smooth pussy would be rubbing against his neck. Jerome instructed us to move to the centre of the pool and then have a shoulder war.