The same tests as before were performed thrice more that day and by then John was quite exhausted, not to mention dry. The same tests continued for several days but nevertheless he went to bed a happy man each night. The next day was rather different, as John wasn’t required to jerk himself off. Instead, it was done for him but the stimulus, a sexy nurse in uniform, was still the same. As she guided him into ‘Test Lab No.2’ John asked a question of Maria.

“Do I get to fuck any you girls? I mean it’s great being wanked but it would be even better if we could…”

Maria smiled and told him that it wasn’t allowed but on the last day of a subject’s stay Doctor Talbot usually has sex with any that she takes a fancy to, providing their initial blood test had come back showing them as being free from any STDs.

“She likes to fuck them before they go to the castration chamber – a way of saying thank you before they lose it all”.

She winked in his direction and John smiled, somewhat nervously. He still wasn’t sure if she was serious.

Maria also explained that as men in his position were likely to lose control and could possibly try something that they shouldn’t then had to be restrained whilst under the next batch of tests. Once they entered the room Doctor Talbot was waiting, along with Kate. Both were wearing black patent leather stiletto shoes and black latex. Kate wore a corselette and latex stockings and her long blonde hair was done up in a bun on top of her head. Christine wore a short dress with long sleeves a keyhole cut out that showed off her amazing cleavage. Both outfits were very tight and very shiny. Christine looked at John and the bulge in his overall, caused by his erection.

“You’re pleased to see me then, John”? She asked.

She then explained that the stimulus for this batch of tests would be John’s fetish for latex and ordered him to strip. Maria then unwrapped a garment from a sealed package and held it up for John to see. It was a ladies’ style leotard, made from latex, with access holes for the genitals and anus and had a computer cable and plug attached.

“You will wear this for the next recordings”, Kate said. “The sensors are all contained within the garment so there is no need for the sticky pads with this machine”.

Maria then squirted some gel, which she explained helped conduct the nerve signals, into the body of the leotard before helping John to put it on, which was made difficult by his massively stiff cock. Once the leotard had been zipped at the rear John was made to mount an examination table, where his wrists were secured and his legs, slightly spread, were secured by straps behind his knees. She then rolled the sensor sleeve onto his cock, which by now had a blob of pre-cum oozing from it.

“There’s just one more thing”, said Christine holding up an almost penis-shaped item. The anal probe! She squirted some sort of lubricant onto the head of it and then pushed it, gently at first but then with some force, as far into John’s anus as the outer flange would allow. “Aaammnnggh”! went John as it went home. Maria then took another cable from the orgasm recorder and plugged it into the part of the probe that was protruding. The two latex-clad women nodded to each other and then Christine told Maria to begin the recorder.

Christine stood in front of John, letting him take in the view of her beautiful sexy body, whilst Kate slowly stroked his inner thigh until she took one finger and stroked his cock. John was moving his body as much as his bonds would allow in order to hump her finger.

Then he felt Maria’s soft hand gently grasp his cock and begin to pump it. He was in ecstasy. It couldn’t get much better than this, he thought - two of the most amazing looking women he had ever seen, the waft of perfume and latex in his nostrils and the touch of a nurse’s hand on his cock. If he died right now then he would be happy.

“I want you to try and hold it for as long as possible”. Kate whispered in his ear.

“Thirty seconds” Maria said.

“Forty five seconds”

“Hold it, John, don’t come yet”. Kate whispered.

He tried but was unable to resist more than a couple more seconds before he came, the orgasm was fantastic and he shuddered and went weak as his jiz filled the sleeve. He was still panting as the women fussed about him unplugging him from the recorder and unfastening his bonds.

After showering and returning to his room John said to Maria “And I’ve got to do that again tomorrow”?

“Oh yes”, she said and with a wink, “until we cut your balls off”.

To be continued.