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Ariana yawned as she closed her binder, finally finishing the shitloads of bookwork assigned by the ascent teacher. With nothing to do (her homework having been finished earlier) she absentmindedly looked up at the substitute teacher. Mr. Clerk was a large and well-built man. His attractive muscles were outlined through his neat work clothes...as was something else.
Ariana gasped as she noticed the length clearly outlined in his dark grey pants. Her pussy clenched sharply at the sight of the substitute teacher's hard cock. He was sitting at his desk using his laptop, and Ariana was sure he thought no one could see his manhood, but she could. From where she was seated, she got the perfect view of it too.
Quickly, Ariana ripped a scrap of paper from her binder and scrawled a quick message on it before passing it to her best friend Sophia, who was sitting behind her dutifully completing the bookwork. "Look at Mr. Clerk's pants" read the simple note. From behind her, Ariana heard Sophia gasp and giggle slightly.
"Is there a problem, Sophia?" Inquired the substitute, looking up from his laptop at the bubbly blonde student.
"No Sir, sorry." She giggled as his eyes went back to his computer.
Sophia stuck the note back into Ariana's hand. Now there was the addition of her own girlish handwriting: "Fucking hell that's big". Now both of the mildly aroused girls were staring at his massive bulge. Ariana absentmindedly pressed against her panties through her short plaid skirt. In all the times he had substituted for her many classes, she had never noticed just how attractive the man was. Naughty thoughts were running through her mind in quick succession.
Ariana felt Sophia's had tapping her shoulder with a new note: "If only Anthony's was like that." Ariana smirked and scrawled back "I know, right? But I doubt he'd know how to used it any better." Anthony was an attractive yet sexually unskilled boy from the same year as the two girls. They had used to take turns with him, but quickly got bored of his smallish dick and inability to please either of them.
"True," read Sophia's reply, "but it could still be an improvement to his vienna" Ariana snorted again.
"I think a better idea would be
not
transplanting any penises and just enjoying Mr. Clerk's
on
Mr. Clerk" Ariana quickly passed the note back to Sophia.
"LOL true" was the only response before the bell rang and the two girls picked up their bags and left the room to head to lunch, not noticing the notes slipping off the desk and onto the linoleum floor.
Mr. Clerk made sure to close the tab on his laptop as students scrambled past his desk. He knew he shouldn't look at porn while at work, especially schoolgirl porn like this; he could so easily get caught and fired, but it was hard to wait. Plus, he had almost no other opportunities: at home he was constantly watched by his wife or busy with his kids.The best time was free periods while substituting at the local high school. The endless stream of attractive young girls made it even harder to wait, but he would never touch himself during a class; that would be much too far.
Just as Mr. Clerk was unbuckling his rather tight grey pants, he noticed a couple small scraps of paper on the floor. Wanting to get any cleanup out of the way beforehand, the muscular substitute teacher got up from his desk and picked up the papers. He was about to toss them in the trash when his own name caught his eye.
Sitting back at the desk, Mr. Clerk perused the scraps of paper. His eyes bulged at what he read. At first he flushed in embarrassment. Students had seen his erection. What if they told people? What if they had guessed what he had been doing on his laptop? Then, "Fucking hell that's big" He smirked. Even better, one of the students had talked about "enjoying" his length. His cock twitched in his pants.
The notes had been on the floor right between the desks of Ariana and Sophia, the two most attractive girls in the 12th grade AP Physics class he'd been substituting for, maybe even their whole grade. In fact, the reason he had been so aroused in the first place had been seeing the cleavage that stood out of Sophia's spaghetti-strap shirt as she bent over her textbook. Once he noticed Ariana's small plaid skirt ride up her thighs under her desk, he'd been almost fully hard and twitching in his pants. He'd started imagining what was under those panties he could barely see.