A Simple Train Ride (Kaguya-Sama)

A Simple Train Ride (Kaguya-Sama)

A/N: A Simple Train Ride was a commissioned one shot originally written back in August of 2020. Posting it up here and now for people to enjoy!

Summary: Ai Hayasaka has an interesting favored past-time, one that she's finally decided to share with her friend Kaguya Shinomiya. Kaguya is a little less sure about all of this... but she wouldn't be doing it if some part of her wasn't interested...

Themes: Exhibitionism, Rough Sex, Humiliation

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"Are you ready?"

No, no she was not... but also, she really didn't have a choice, did she? Beneath the surgical mask she's wearing, Kaguya Shinomiya is blushing profusely as she stands off to the side of the train platform, right next to the girl that can be called her closest friend, Ai Hayasaka. Both of them are wearing raincoats, despite the fact that it's a perfectly clear, sunny day, without a cloud in sight.

Squirming at Ai's question, Kaguya still can't quite believe she's actually doing this. But on the other hand, maybe... maybe it would be okay after all. Ai had categorized it as a sort of stress relief when she'd been talking Kaguya into this. Of course, part of that convincing had involved threats to tell Miyuki Shirogane about Kaguya's feelings for him. Given the on-going dance between them, with Kaguya only considering Miyuki a proper romantic partner if and only if he confessed first, it would obviously be quite damaging to have Ai tell him anything about what she felt regarding the young man.

Of course, deep down inside, Kaguya knew that Ai wasn't serious when she threatened to tell Shirogane anything. The dark-haired, red-eyed young woman had allowed her blonde, blue-eyed friend to convince her to do this, at the end of the day. And now here they were, and it felt impossible to back out now. At the very least, the one saving grace for Kaguya was that Ai had said she did this on the regular, or at least things like this.

And... in all their time together, Kaguya hadn't so much as heard a rumor about Ai Hayasaka engaging in this kind of activity. Which meant it should be perfectly safe for her to do so as well, so long as she kept her mask up and her head down. After all, they'd traveled over two hours from where they lived in order to arrive here. No one around here should know them, and if anyone were around who knew who they were, the surgical masks would make it harder to discern their identities.

Besides... everyone would be staring at something else besides their covered faces anyways, now wouldn't they?

There's the sudden sound of the train arriving, and it startles Kaguya from her thoughts. Beside her, Ai lets out a happy little noise in the back of her throat that's muffled by her mask.

"Well, if you're still game, it's now or never. One way or another though, I'm getting on that train..."

Kaguya's blush intensifies as Ai reaches down and unties her raincoat. The beautiful blonde pulls the coat apart and shucks it off her shoulders, letting it fall to the ground behind her. It was a cheap thing, only costing a little bit of money, and so Ai doesn't bother to pick it up and take it with her as she steps forward... it was meant to be disposable in the first place.

Immediately, there are eyes on the blonde, given that she's now stark naked. Yep, Ai wasn't wearing anything beneath that raincoat. Right now, all she has on is her blue scrunchie, her surgical facemask, and some comfortable socks and shoes. Kaguya... Kaguya is the same way. Her own raincoat is the only thing covering up her otherwise completely naked body.

This was Ai's plan; this was what she'd roped Kaguya into today. Basically, the two of them were going to go streaking on the train together. It sounded immensely embarrassing, but the way Ai had described it, it was freeing and exhilarating and an all around enjoyable experience. Given that Kaguya had been tempted enough to come all the way here in nothing but a cheap, disposable raincoat... she only lets her friend get a couple of steps away before she's following suit.

She's a lot more hesitant about it of course, and her hands instinctively go up to cover herself once she's naked, but she manages to catch up to Ai a few steps later, blushing all the way down to her chest, now that said chest is fully exposed and bouncing a little with her fast movement. Of course, the moment Ai sees that she's covering herself, she quickly reaches out and grabs one of Kaguya's hands, the one attached to the arm doing its best to hold her breasts at bay and hide them away.

"Hey! C'mon now, there's no point in hiding anything, not when they can see everything~ If you need to, put your hands behind your back so you're not tempted."

Still blushing, Kaguya nevertheless follows Ai's instructions as they get closer to the train, the doors of which have just hissed open. People are beginning to get off, but not as many people are getting on yet... mostly because a lot of them have caught sight of the two naked young women streaking across the platform towards the train, and are staring in either lecherous delight or flabbergasted shock at the beautiful bodies on full display.

Even as Kaguya puts the one hand behind her back, Ai doesn't let go of her other. Instead, the blonde leads her former mistress onto the train, and the two eventually come to a stop in the middle of one of the train cars. Kaguya... Kaguya has to admit, it is a little exhilarating, even as she finds herself inadvertently meeting the gazes of a few staring passengers, only to avert her distinctive red eyes a moment later.

So is the man, because he doesn't last long before he lets out a loud groan, thrusts into Ai one final time, and then pulls out a few moments later, tucking his softening prick back into his pants as he stumbles away. He's clearly spent himself inside of her, but Ai doesn't seem worried... is Kaguya's friend already on birth control?

She has to be, to be this nonchalant about getting... getting c-creampied (another term that Kaguya had learned from Ai). The next man steps up, a middle-aged man in a business suit, and thrusts into Ai as well. They all fuck her. One after the other, following her rules to the letter. No one ever goes after Kaguya, and they all wait their turn to fuck Ai.

Though, the moment when one of the men decides they don't want the sloppy fourths or fifths that Ai's pussy has become by that point is quite clear on the blonde's face as he instead spreads her perky ass cheeks apart and thrusts into her back door. Kaguya can tell, because Ai's eyes go wide, and her pupils shrink to pinpricks for a moment. A low, keening noise makes its way through her surgical mask and to Kaguya's ears, but she thinks she's the only one that hears it.

... Honestly, watching Ai get fucked is freeing, in a way. Being naked and exposed... it's not so frightening since Ai is taking care of everything. She's still blushing profusely, but it's... it's at least partially out of arousal. Her and Ai are face to face, mere inches apart, and her best friend is getting fucked from behind by a line of strange men on a train.

Her mind goes around and around in circles, until suddenly, she's swapping spit with the blue-eyed blonde in front of her. Until the end of her days, Kaguya will say it was Ai who instigated, while Ai will claim it was Kaguya. Neither can be one hundred percent sure though. One moment, Kaguya is staring into her friend's gorgeous blue eyes, the next their masks have been pulled down and the two of them are making out as Ai gets fucked hard from behind.

One of the blonde's hands goes down between Kaguya's legs at that, and a finger inserts itself into her dripping wet pussy. Kaguya is too busy tongue-wrestling to care, though she certainly notices, her lashes fluttering as she moans into Ai's mouth, only for her friend to swallow it right up. Time... time seems to almost lose all meaning, after that.

Kaguya couldn't have said just how many men took their turn fucking Ai, before the train finally pulled into it's next stop a whole hour later. She couldn't have said how much of that hour the two girls spent making out with Ai fingering her to more than one orgasm, before they finally came somewhat to their senses and put their masks back on.

She couldn't say much of anything at all, by the time the experience came to an end, and they had to beat a hasty retreat off of the train before someone sensible managed to call the police on them. Here, Kaguya was completely dependent on Ai... but of course, the blonde came through for her like always. Ai's planning was impeccable, and sure enough they were soon in a pre-paid love motel room, where a suitcase with their clothing was waiting for them.

It would take a while to get back home, since the train they'd taken had gone even further in the opposite direction, but honestly? Even as Kaguya is taking a quick shower, she has to admit, this... all of this was worth it. It was exactly as freeing and exhilarating and... and stress relieving as Ai had promised it would be.

Of course, there was still the kiss to be considered. When the two of them are each done with their showers and have gotten dressed and ready to go, Kaguya opens her mouth to say something, only for Ai to beat her to it.

"Don't... don't worry about that kiss. It was just the heat of the moment getting t-to us, right? S-Sorry for, um... sorry if I took it too far..."

Kaguya blushes prettily as she remembers how it felt to have Ai finger her. But... at the end of the day, the blonde is right.

"No need to apologize, you're right... it was just the heat of the moment. And... I had fun. I-I'd like to maybe do this again some time."

Ai grins, and Kaguya smiles, and the two step out of the love motel hand in hand, a shared experience bringing them closer then ever before... and everyone else none the wiser.

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