Dex was finishing up his morning routine, he'd washed and eaten, and now the lion teen was getting dressed in his room for the school day. But before that he fished out a box from underneath his bed. His girlfriend, or more properly, his mistress had given it to him yesterday. He opened the box, inside was a silver butt-plug, and a note: "Be sure to wear this to school today. Don't cheat, I'll know >;) -xxx"

Dex winced as he held up the plug in his hands. It was smooth and metallic body, with a wide silicone flange at the end. Thankfully the plug didn't seem too big, but this would be an uncomfortable day. He considered putting it back in the box, but his mistress wanted him to, so he really should. Dex sighed and placed it on the table before rummaging in his nightstand for a bottle of lube.

He found the lube, uncapped the bottle and carefully squeezed a good dollop onto the tip of the butt-plug. He carefully smeared it onto the surface with his fingers. He took a good grip on the base, rested his knees on his bed and bent over. He used his other hand to spread his cheeks as he brought the tip of the plug up against his tailhole. He paused and held it there in anticipation. His little cock was starting to peek out from his feline sheath.

He closed his eyes and tried to relax. He pushed and his cock bounced as his tailhole puckered, resisting the intrusion. He breathed out and pushed again. Again his hole resisted. One more time, he pressed against himself. His cock bounced once, twice. "AH!" He inhaled sharply when suddenly the pressure released and he felt the toy slipping inside him.

He panted as he lay down on the bed. His rear felt very full, almost like he had to poop, but it didn't feel too bad. His cock was drooping down as it softened. Dex wished he could give it some attention, but he was running out of time. He tried to think unsexy thoughts, but every movement gave him a reminder from the toy in his rear, and the reason he was wearing it.

He resigned himself to finishing his dressing up with half a boner. He slipped on his briefs, a T-shirt, and jeans. The tight fabric of the jeans felt both good. pressing against his toy, and bad, constricting his cock. But as he tested moving about a bit, he felt more at ease. Holding the toy in was easier than he had feared. His sphincter was grabbing tightly on the thin part between the toy and the flanged base and it wasn't in any danger of moving in either direction.

There was a big honk outside.

"Oh fu..." 

Dex grabbed his backpack and rushed out.

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The schoolday progressed uneventfully. It was right after lunch break, and Dex sauntered into the next classroom for his math class. Dex found his usual seat, next to the wall. He always sat here because he knew his girlfriend would be sitting on the other side of the wall in her English class. He fished his math book from his bag and waited for the teacher to get started.

The largely built bull cleared his throat loudly and the class quieted down a bit. "Today we'll be looking at geometry and trigonometry, pages 48 onwards."

Dex nodded in his chair as the teacher droned on and on about angles and their relationships and something called the consinged ruler, no the cosine rule... If you have two angles and one side of the triangle, or two sides and and the angle between them, no the angle not between them, or three sides? Wait, wasn't that the sine rule? Dex hoped this wouldn't be on the test or he would be failing math yet again.

Dex shifted in his chair. He rubbed his rear against the seat to make the plug in his ass sit more comfortably.

"So you have c-squared equal to the a-squared plus b-squared minus two times a times b times cosine gamma, where gamma is the angle opposite opposite of side c." The bull scribbled his unintelligible scratch marks on the blackboard.

Dex shifted again. He felt a tingle in his rear, or was he imagining things? He pressed against the seat. The plug shifted inside him. The feeling sent a little shiver up his spine. No, no, no... Dex felt his little cock stiffening up again.

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"And so, you can see how Fitzgerald matches the social trends happening in the 20s with the different characters, starting with Gatsby himself..."

Alicia couldn't care less about what the bespeckled lemur teacher at the front of the class was talking about. The little mouse had tried to read the book, but she hadn't made through more than twenty pages. Why must all these 'great' novels be written in such stuffy language and about such stupid subject matters?

Instead, Alicia turned her attention back to the little silver remote she was playing with. It was small oblong rounded rectangle, with a knob and some buttons. She turned the knob, labeled 'stimulation', a few notches higher from the low setting it was on currently. She giggled silently to herself and returned to listening to the teacher.

"Even the novel's geography makes clear the clash between the 'old money' in East Egg and the 'new money', the self made riches, in West Egg. Gatsby being the most prominent one of the latter."

Every few minutes Alicia kept turning the knob a little higher. But now, with twenty minutes left into the lesson, it would be the perfect timee. With glee she turned the knob to the highest setting, and then pressed the large prominent button underneath it, labeled 'orgasm'.

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Dex was certain he wasn't imagining it now. He felt an electric tingle radiating from the plug in his tailhole. It was unmistakable and there was faint vibration now as well. He kept shifting in his chair, trying to remain still. He wasn't sure how he felt about this intrusion in his rear, but his cock was and it was fully out of his sheath and pressing uncomfortably against the fabric of his pants and jeans. 

"And thus when we generalize from the case of the obtuse angle we can prove that the angle theta is, indeed, such."

Dex was really squirming in his chair now, hoping nobody would notice. Each movement his cock brushed against the fabric, his plug rubbed his insides, the tingle stimulating the sensitive nerves, it felt so good. He wasn't sure how much more he could take this. In desperation he looked at the clock, still twenty minutes to go.

Dex's whole body jolted. He felt the buzz of electricity tickle his prostrate. His cock bounced in anticipation. He felt the pressure in his loins building up. No, no, no, no! He held back. His body jerked again, and again. Each time the pleasure and pressure rose higher, he tried to fight it. It was like holding back the ocean, and each moment the tide would be rising higher...

"Q.E.D!" The teacher exclaimed and underlined the final formula 𝓬² = 𝓪² + 𝓫² - 2𝓪𝓫cos𝜸

"AH!" Dex gasped in unison when he felt the first drops of cum sputter out and with that the dam in his pants broke. His cock pulsed and a wave of cum splashed into the fabric of his underpants. Then another, and another. Each wave he felt relief and resignation as the messy spot in his pants grew.

His strength faded and he slumped down onto his desk, softening along with his little prick. Even though the plug in his rear had turned itself off, he still felt the afterglow of his intense orgasm. And he felt the sticky wetness of his cum seeping through to his jeans... He glanced at the clock, still eighteen minutes before he would be able to go to the bathroom to clean himself up. The mess in his pants and jeans would be well caked in by that time.

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The bell rang. "Now, remember, your homework is to write 300 words analysing the novel from the aspects we have just discussed." 

The students were already filtering out of the classroom, most completely ignoring the teacher.

Alicia skipped out through the door with a gleeful step. She glanced over at the stream of next year's students coming out from the classroom next to theirs. She giggled when she saw a lion boy hobbling out with his legs spread awkwardly, heading towards the bathrooms...