The Book's Cavern

by Desperate Dawn

Rating: mature
Tags: Slice of Life, Flash Sentry, Twilight Sparkle, My Little Pony: Friendship is Magic, Romance, Sex
Length: 1824

A Flash x Twilight romance/clop story.

Flash Sentry had always been on Twilight for at least couple months after the Princess Summit incident where Sunset Shimmer stole Twilight's crown for power. Coincidentally it may be, but both really becomes together after Twilight returned from her second travel on the human world.

And their bond only grew stronger, even after the hate that directed to Flash -- seemingly -- by everypony. Twilight would never try to find anypony better than the Guardspony himself.

Cover artwork are all the works of: https://www.deviantart.com/dm29
Go ahead and check the his other arts out, its great!
I do not in anyway, take any credits as it is belong to the Original Author.
Edit: Sorry for the inconvenience, but this was supposed to be 'Completed' status. That's an oopsie for me :twilightoops:
Sorry everypony! :twilightblush:

Published 2019-08-09 04:10:01 UTC
Last updated 2019-08-09 04:10:01 UTC

Through The Cavern

Author's Note

Hello, Desperate here
This is my second attempts on Writing...this kind of fic. I don't know if it's better, but... uhhh... :rainbowderp: I really don't know what I had in mind when writing this really.
J-just tell me if it's better than the last one I wrote, okay? I-I hope you enjoy my latest one-shot. :twilightblush:

-Desperate out

Through The Cavern

Tick

Tock

Tick

Tock

Silence.

Only the chime of the grandfather-clock accompanied the utter silence in the Library. It has been a few years or so since Twilight moved to her new home. Even after her friends decorate the castle with memorable things such as the roots of Golden Oak Library, the castle still looked rather…empty. Well, not as empty as it would seem to be. She still with her student, Starlight Glimmer, but she is currently on a vacation at the Crystal Empire visiting Sunburst. Spike is also away, he is on a diplomatic mission on the Dragon Lands, dealing something that Ember needed regarding something, Twilight doesn’t know what it is, but it seems personal.

Either way, without the usual company, then yes, this castle looked empty. Perhaps the castle is too large for her taste. There are plenty of empty rooms with ‘considerable’ size. Maybe she needs to start thinking about creating a few detachments of guards on the castle soon.

‘My own guards,’ Twilight thought to herself.

Princess Celestia time after time told her to finally form her own guards as she is now a part of the Royalty. Sure, Twilight would often open up court once a week, but this is a small town called Ponyville. There isn’t much of a problem for her to deal with, if you’re talking about the paperwork and the stuff, then Mayor Mare already handled it. Twilight may be the resident ruler as per the Princess decree, but Mayor Mare is the one that does all the work.

She couldn’t fathom the thought that she simply took the poor mare’s job just like that, therefore she allowed her to somewhat keep her job while at the same time, allowing Twilight to solve a more dire problem that the quaint little town may have. It is either a monster problem that usually happened, or just an appointment that the Mayor Mare couldn’t get a schedule on.

Twilight is all more than happy to accept all that, in fact, she preferred to be that way.

Twilight sighed as she put down her book, looking up to the clock. The arrow points past noon already, and with that Twilight sighed again. She stood up, flaring her wings in an attempt to relieve the tension on her wing for being coped up for too long. She then proceeds to stretch her forelimbs forward.

She heard a snort coming behind her, quickly spinning around she found Flash Sentry standing there with an obviously horrible attempt at holding a snicker.

“You looked like a cat, Twi,” He said with a smirk. Twilight face suddenly went crimson red, clearly not expecting for Flash to be there watching her.

“F-Flash, w-what are you doing here?” Twilight stammered. Flash had that mock hurt look on his face.

“Awh, so I’m not allowed to visit my favorite Alicorn princess?”

“N-no, it’s just-“ Twilight took a deep breath and sighed. “-you scared me is all.” Twilight smiled, moving forward to close in on Flash and before they know it, they were already fall in deep passionate kiss. Twilight wrapped her hooves around Flash’s neck with his own hooves wandering her frame.

His hooves wandered further as their make out session intensified with Twilight eliciting moans of pleasure the longer they stayed. The two continued for another minute before finally departing with a trail of saliva that quickly dissolved.

The two lovers would smile at each other, their loving eyes gaze upon each other. Flash then let out a grin, “You miss me?”

Twilight simply giggled and gave Flash a quick peck on his cheek, “If the kiss wasn’t much of indications.” Twilight then hugged Flash and with him returning the embrace. “It’s been a long time since we last saw each other.”

“Yeah, being a Captain isn’t easy you know?” Flash replied, eliciting a giggle from Twilight. They both let go of each other and head over to the dining room.

Captain Flash Sentry, or as Twilight would know him, her coltfriend. He is just a Sergeant when Twilight first went to Sunset’s world to retrieve her crown; she occasionally stumbled upon him rather coincidentally before then. Of course her first crush would be the Flash from Sunset’s world, but giving the Sergeant a chance to know him, the more she found the same trait she had on the other Flash. And overtime, perhaps almost similar to Shining Armor case, they both began to fall on each other.

Of course, the only difference is that Twilight is the one that first confessed her feelings, not the other way around.

Neither Twilight nor Flash could remember how long they hold their feelings to themselves; Harmony knows how long the two actually hold their feelings. They’re together now and that’s the most important thing.

However, even that had some complications. Twilight doesn’t know how long since it began, but everypony started hating Flash Sentry after their confessions, calling Flash ‘Waifu stealer’ at some point. Their bond only grows more as the two went through that together, and soon the hate dies down on its own like a water stream. There still some hates here and there, but it’s not as bad as it was.

After Flash promotion to Captain, they started to see gaps on their time together. Thankfully, Spike at one point manages to manipulate his flame to be sent on a specific pony in mind. So Twilight is able to send Flash an instant letter, of course it took about a week for him to reply back to her.

“So Twilight, umm…we need to talk about something,” Flash suddenly said as they both entered the dining room.

Twilight could feel her heart skips a beat. ‘What would he need to talk about?’ Twilight wondered, cold sweat poured down from her neck.

“So uhh,” Flash began, uncertain of how to start. “Y-you see, now that I’m a Captain…” Flash trailed off, this doesn’t bode well with Twilight however. She read a few friendship reports that specifically mention this kind of talk on their relationship and she knew it wasn’t good in any way whatsoever. She relented however. Knowing that she wouldn’t feel as awful as it would seem to those ponies. Therefore she waited for Flash to continue.

“So, uhh…I was thinking that, if you would like to approve me creating your guard regiments?” Flash finished and with that, Twilight’s mouth hangs agape. She didn’t expect him to say this!

“S-since you know…uhh…that you-” Flash couldn’t continue as he felt Twilight lips locking onto him. He was surprised at first, but relented soon after, returning the kiss.

The two departs a few seconds later, Twilight all but smiles at Flash, “That would be great.”

“R-really?” Flash’s eyes lit up. “I thought you wouldn’t-“ He was cut short as he found himself locking lips with Twilight, once again caught off guard. It didn’t take long for him to return the kiss.

“Just take me already,” Twilight whispered. Her half lidded sultry eyes hypnotize Flash in the second he gaze on her, Flash nodded and move in to close the gap between and once more locking lips with her.

Twilight elicit a moan of pleasure, she opened her mouth to let Flash tongue to roam free inside. Their tongues fought for dominance but it is always Twilight to give in, letting Flash to explore free. Flash hummed, pleasuring the taste of his lover’s mouth. Slowly, both of them would find themselves on the ground with Flash on top staring down on Twilight’s lavender coated body.

Twilight smiled, her half lidded sultry stare demanding more. Flash complies, moving down to lick and nipped on her neck. Twilight lets out more moans of pleasure, asking for Flash to do more and more and him pleasing her as much as he can.

Flash then felt his already erected throbbing stallionhood being wrapped on Twilight’s raspberry magical grasp, and slowly it moved up and down, Flash know that Twilight didn’t want him to be the only one pleasuring their partner.

“Let’s take this into a more…appropriate room,” Twilight whispered as the glow of her horn intensified. With a flash, the two found themselves on her bed.

Twilight’s magic flickered as she stopped pleasuring Flash’s stallionhood, replacing it with a passionate kiss on which Flash accepted all too willingly. Twilight gently push Flash forward, embracing him before rolling on top of him so now she is the one on top.

The two departs from the kiss, Twilight smiling with the same sultry eyes as Flash merely smirked. The two already knows where the rest is going and both are more than ready for it.

With silent understandings, Twilight raises her hips as she led Flash throbbing stallionhood onto her moist, wet lips of her marehood. Twilight pushes down, letting out a moan as she accepts Flash’s stallionhood deeper until her marehood completely wrapped it inside.

Flash lets Twilight to get adjusted to the new appendages inside for a moment, before moving his hips slowly at the same time as Twilight is.

Twilight lets out more and even lewder moans as Flash thrust his hips faster in synchronized time with her hips movement. The wet slap of their hips filled the room as the bed shook as time went on. Twilight let out a scream, not of pain but pleasure as she felt Flash stallionhood hits the sensitive part of her marehood.

Knowing this, Flash tries harder on that very spot and he was rewarded with a scream of ‘yes’ between the moans from Twilight, their breath are sporadic as their movement no longer in synch.

Wave of pleasure suddenly rushed on Twilight’s entire body as she reached her orgasm, screaming as she did. This however, only give Flash the signal to thrust faster and faster.

He could feel his own climax building up on the tip of his stallionhood. He couldn’t hold much longer, eliciting a groan, he thrust his stallionhood deep on Twilight’s marehood, filling her insides with warm fluids of his orgasm as she screams in ecstasy.

Twilight fall on top of Flash’s exhausted body, their fluids mixing together as both tried to catch their breath. Twilight smiled as she kissed Flash’s muzzle, Flash could only return the smile as he felt the biggest unleash of his live taxing his movement.

The two stayed there, unmoving, simply enjoying each other’s company in silence. Soon, the shallow breath, turns into one of a soft one as the lovers found themselves sleeping on each other’s embrace.