Crystal Prep Prepping (Patreon)

Cinch's design is quickly shooting up among the personal favorites.

Another lewd story from the bimbo thread following up on the Cadance story.

 Not sure if this piece could fit into the main story, as it's unsure if Cinch should be affected or not before the friendship games. But gotta be honest, already having high sexual tensions between cinch and celestia just for her to fall even deeper is pretty enticing. 

 >You weren't the only one affected by Cadance's release of magic during your 'private therapy session' as Principal Cinch had also been in long enough proximity to the bimboified Dean to gradually experience changes within her own body. Despite the tighter form and more youthful appearence however, eventually any further transformation would require a kind of mental change such as a visual trigger for her to embrace the effects of the bimbo magic more deeply.

>That was when she spotted your hulking himbo self in the halls, towering over the other students. You were busy flirting with some blushing girls, and by flirting, you were actually convincing them to come with you to find someplace 'private' while they were unable to take their eyes off the huge bulge in your pants.

>Unbeknownst to you and the girls, Cinch also found herself ogling you and your well-endowed, muscular form from behind a corner. A manicured hand reached for a clothed breast as a mix of ideas and emotions flooded her once clear mind, lewd images and new opportunities entering her head as her initially reasonably sized bust started to expand in her palm along with her pert butt stretching out her already snug skirt. Her lips also grew more plump and full as she bit down on them, but she had too much of her attention on you to even take notice of her expanding assets.

>The further bimboified appearence Cinch would grow into by this point from her mental change would still fit a woman of her age despite the increase in size and heft, with her otherwise bountiful tits, larger ass and wider hips retaining a slight sag. The combined change had made the principal fit the image of a voluptuous cougar who could already feel the encroaching hunger for monster dong, and seeing you about to leave with the other girls immediately caused her to act on the mixed opportunity she saw for an capable athlete for the Friendship Games and delicious dick for her to use as she pleased. 

>The sound of high heeled footsteps clacking on the marble floor was your only warning before you felt a sharp tug on your ear, yanking you away from the girls you had your arms around. Your eyes briefly met the Principal's before being dragged away by the arm from the female students, who waved you goodbye and could only be given a clumsy wave back with your free arm before turning a corner and being given an eyeful of Cinch's bustier, curvier body.

>"I hope you weren't planning to do what I think you were with those girls! And in my school!"

>Cinch poked your broad chest with a manicured finger as she said this, and trailed it up from there to your neck, then to your chin before caressing your lower jaw with a more seductive tone of voice.

>"Because when I'm done with you, you won't even be able to think about them, or anyone else."

>It was easy for Cinch to notice the fabric-stretching swell in your pants, and took that as a sign to proceed with her little plan. 

 (A short time later)

>"Are you going to beat those Canterlot High harlots!?"

>"Are you going to crush the competition!?"

>"Are you going to bring home the gold for Crystal Prep!?"

>You could only shout your answer as you thrusted frantically into a lingerie-clad Principal Cinch on her once tidy desk, who managed to mostly kept her composure despite the foot-long man-meat rapidly plunging in and out her wet cunt.

>"Then I expect you to do an equally thorough job in pleasing your Principal!"

>With her manicured hands on your broad back and shapely legs wrapped possessively tight around your chiseled waist, Cinch gave a smug, self-assured grin as she tested the stamina of her himbo-ified secret weapon Cadance had created as he ceaselessly plowed her. Each hearty, wet smack of colliding hips sent a delightful wobble through her slightly sagging but still enticingly large breasts that were once covered by a lacy black bra, as well as a rumble through the desk you two were fucking on, causing the contents covering it to be strewn around the room.

>Like Cinch herself, her tight pussy was greedy and demanding when it came to extracting stud spunk as it vigorously milked your cock of the thick load brimming in your bloated balls. The stern bimbo principal didn't even need a single word to demand the biggest, thickest creampie your huge, swaying nuts could produce, as her moist cunny seemed to do so on its own. 

 >You could only oblige as you soon blew a huge wad of spunk into Principal Cinch, the initial blast of cum finally breaking the measure of control the otherwise stern bimbo had over herself and reducing her to a blushing mess that quivered on the desk with every successive gout of man splooge fired into her wet cunt. Her talon-like grip on your back was tighter from the orgasmic pleasure, deep enough to leave visible claw marks on your tensed back.

>Soon, Cinch's desperate hold on you went slack as your cock finished its sputtering spasm inside her, and the spent cougar Principal laid sweaty and limp on her desk trying to catch her breath. She briefly laid on her side, shuddering as your cum started to leak out of her plugged pussy before laying on her stomach and pressing her plump ass into your groin.

>"I don't remember telling you to stop."

>You obliged, and got back to pounding Cinch with a still-hard dick as the thought of attending the Friendship Games on her behalf still remained fresh in your head along with a jumble of perverted thoughts. The sound of squeals and sharp smacks into sweaty buttcheeks permeated the air along with the smell of sweat and sex, but all that wasn't enough to pull you out of your imagination.

>Despite her previous claims, you were still really looking forward to participating in the Games for the chance to meet (and fuck) the girls at CHS, possessive principal be damned.