This is an old story (early 2000s I think, but maybe older) that I have copied from an old physical copy. I have plenty more to post, so hopefully people will like this even though it's maybe not quite up to my current standards of writing. I have made some changes from the original, but mainly just grammatical corrections etc...
Please check out my later stories posted as Robert_Anthony
https://www.literotica.com/stories/memberpage.php?uid=1272609&page=submissions
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ALL CHARACTERS IN THIS STORY ARE OVER 18!
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Fern arrived at the gym bang on time but Mr Straw was already impatiently tapping his ruler against his palm. Fern was the golden girl of the school, the star gymnast and Mr Straw's protégé. It was after hours now and as she watched all the other pupils leaving she felt a touch of envy that they would all be home soon, while she would have to endure hours in the gym before she could leave.
"Hi Mr Straw, I'll just get changed okay..."
"No Fern, look we don't have time to waste here today. Just strip down to your underwear and let's crack on."
Fern was shocked at Mr Straw's suggestion, but he persisted nonetheless.
"Actually that might even be better, because if I can see your musculature properly then I'll be able to see clearer where you are going wrong and we can correct it. Besides, don't worry, no-one else is going to see you - they've all gone home."
This was Mr Straw all over, practical and to the point and completely without regard to your personal opinion or boundaries. And yes, you WERE always doing something wrong. No-matter-what!
Self-consciously, Fern began to undress. She put her school bag on the floor in the corner of the gym and started to unbutton her white shirt. She slid the cotton off her shoulders and folded it neatly, before placing it on a nearby chair. Mr Straw tried not to stare, but he couldn't help but notice Fern's delightful young breasts, even though they were still encased in her white bra.
Fern pulled her shoulder length blond hair back into a pony-tail and pulled a band on to hold it in place. Then she slid out of her shoes and peeled her socks off, and finally with a little hesitation undid her grey pleated skirt and lowered it to the floor. She stepped out of it and picked it up, folded it neatly and placed it with her shirt.
Mr Straw watched as his young student came towards him dressed only in her bra and panties. His cock stiffened and he knew that he had to fuck this girl soon or he would explode. He thought back to the last time he had fucked a girl in this gym, it had been a few years but the memories were good ones. Of course that time it hadn't been a student, it was his previous colleague 'Miss Litten'. She was in really good shape and a horny slut to boot. His eyes roamed the gym and he remembered how he had fucked her on the mats, how he'd had her climb the rope and licked her pussy and ass from below and how he had spunked on her gorgeous tits before rubbing it in with his flagging cock. He shuddered as he remembered how the horny bitch had dropped her head and taken his slippery, cummy cock into her mouth and sucked it clean.
Of course, Miss Litten had moved on (after coupling up with most of the male teachers and some of the female ones too, if rumour was to be believed...), but he was still only in his early thirties and in good shape himself, but he was definitely enjoying something of a dry spell all the same.
"Mr Straw..." enquired Fern, as her teacher seemed to have drifted off.
"Er, what... yes, sorry."
"What shall I do first?"
"Well you had better warm up, do some stretching while I set up the equipment."
Fern moved to a corner of the gym and began warming up on a padded mat. Meanwhile, as Mr Straw moved around the gym pulling pieces of equipment into place he couldn't help but let his eyes drift back to the teenager's almost naked body. He felt his cock pulse a little and he moved towards the girl. He approached her from behind and she was startled when he grabbed her legs.
"Not like that, like this... how many times do I have to tell you!"
"Sorry Mr Straw," the girl mumbled.
"Right, now try it again and see if you can't get it right this time."
Touching her soft skin made his cock throb even harder and as he watched he started to daydream about how tight her pussy would be wrapped around his aching stalk and whether any other lucky young stud had been inside her yet?
Mr Straw just about managed to control himself for the next hour and a half as he put Fern through her paces on all the equipment they had available. By the time her let her finish his cock ached like hell. He had spent the last ninety minutes watching her twisting and writhing and working up a sweat and he was about at the end of his rope.
"Okay Fern, come here..." he said, tapping the ruler against his palm again.
"You're just not cutting it girl," he sighed.
"But..." began the exhausted girl.
"I'm sorry, but unless you are prepared to put more effort in you're just never going to make it. I don't want someone who's phoning it in representing me or the school."
Fern exploded with rage, here she was busting her ass for this jerk after school, literally sweating bullets and he had the nerve to tell her she wasn't trying...
"Don't take that tone with me girl," countered Mr Straw, his ruler pointed straight at her face. "I've had better students than you fail because they weren't prepared to give me 100%. Now I suggest you cool off for a moment and then we do another fifteen minutes before you go."
Fern screamed 'Fuck you' inside her head, but walked away and tried to calm down. Barely a few seconds passed before Mr Straw called to her over to a mat. He told her to show him her routine and as she progressed through it he used the ruler to tap her skin to show her where she was going wrong. As his frustration mounted with her efforts the tapping got harder and harder, until finally Fern snapped.
"Quit hitting me with that ruler, it bloody hurts!"
Mr Straw was initially taken back, but quickly regained his composure. He grabbed the pretty girl by her arm and hauled her onto the vaulting horse, leaving her lying on her front with her panty clad bottom sticking up in the air, ripe for a spanking.
"I'm going to teach you something about commitment girl. I think I've been far too lenient with you, and clearly you don't respect my authority. That changes right now!"
Fern gasped as she felt him grab the sides of her panties and roughly yank them down her legs, leaving them hanging from her left ankle. She tried to scramble off the box but Mr Straw bellowed at her to stay still. Fern continued to move until she felt the ruler brought down across her ass for the first time.
"Oowwwwww!!" She screamed.
"Stay still you stupid girl," barked the teacher as he admired the red stripe which was forming across the girl's pale rump.
"Nice," he muttered to himself.
Fern started to struggle again and Mr Straw felt compelled to lay another couple of strokes on her, bringing forth more screams. Mr Straw knew that most of the staff would be gone by now, but even so he was concerned about the amount of noise the girl was making. He reached down and snatched up the girl's cotton panties and rolled them into a ball.
"If you can't be quiet I'm going to have to shove these in your pretty little mouth - do you understand?" He said, holding the ball of cotton in front of her face.
Fern nodded slowly, her eyes blurred with tears. Suddenly Mr Straw felt a little sorry for her. Maybe he'd been a bit too harsh with his ruler... maybe he should try and make her feel a little better. He returned to the girl's rear and began rubbing his hands over the backs of the girl's taut, smooth thighs. Her body was magnificent and he slid his hands up towards her ass and gave it a gentle squeeze and a couple of gentle, soothing rubs.
"That's better, isn't it Fern?"
"Umm, yes sir..."
"Say 'Thank you Sir'."
