And so, on the way to drop off Kirin, we were on the train to the station closest to her house.
We could've gotten there faster if we'd flown, but on this island, or rather, in this world, it's a bad idea to use your powers for no reason, even if you're a Bureau member. There are rules that would fall apart if that were allowed.
So, we were quietly riding the train.
"Ugh..."
As expected, Kirin was restless, fidgeting and worrying about her surroundings.
"Kirin, you okay?"
"H-Hya! I'm-I'm-I'm f-fine!"
She jumped just from me calling out to her. This doesn't look like she's fine.
Well, I guess it's hard to relax when you're wearing someone else's underwear.
If she were a guy, she wouldn't have to worry about anyone seeing her with pants on, but with Kirin's skirt, there's no telling what kind of accident could cause it to flip up.
That's probably why she asked me to come with her. I should be as considerate as possible.
"Kirin, want to sit down?"
I pointed to an empty seat and asked.
---------
Kirin gripped her skirt tightly, pressing it down, down, down to ensure it wouldn't flip up no matter what.
But that was only the front; the back was completely defenseless. That fact made Kirin's heart pound.
The sensation of underwear that should have been covering her bottom was completely absent. Naturally, since there was no fabric there.
(Ugh, it's fine, right? You can't see anything on the escalator, can you? Senpai was right behind me the whole time...)
She was leaning on me so much that it was impossible to see, but Kirin was still worried.
Now, we were both holding onto the straps, swaying with the train.
Just then,
"Kirin, are you okay?"
Sho, worried about her, called out.
"H-Hya! I'm-I'm-I'm f-fine!"
But her voice cracked from the suddenness of it. That sound drew the attention of those around them. Under their gazes, Kirin shrank even more.
Unless they had X-ray vision, no one would know what kind of underwear she was wearing, but she was embarrassed nonetheless.
The train stopped as it arrived at a station.
"Kirin, want to sit down?"
A seat right in front of Sho had just become empty.
"Oh, thank you..."
Kirin carefully turned her body and lowered herself.
"Ah..."
That's when she noticed. When she couldn't help but notice.
A hot, sticky liquid was wetting her crotch. It had even reached the base of her thighs.
(I-I'm... I'm like this...!!)
Kirin's face turned beet red in utter embarrassment as she looked down. Sho, standing in front of her, didn't notice.
Her body was stiff as a board, and her heart was racing.
Imagining what would happen "after this," Kirin couldn't stop her body's excitement.
---------
And so, without any major trouble, we arrived at Kirin's house.
It was a magnificent traditional Japanese house. The building, which even had a dojo, definitely stood out from its surroundings. Yet, its presence was so strong that it wasn't overshadowed.
I guess Kirin really is the daughter of the Toudou family.
Anyway, we made it to her house safely.
"Alright, Kirin. I should get going now—"
"S-Senpai!!"
"Huh? What?"
Kirin called out to me as I was about to turn my back.
"W-Would you like to come in for a bit? It was hot outside, so maybe a drink!"
"Well, just for a cup of tea."
My next stop was the Sixth Division, but I had plenty of time, so there was no need to rush. I'll take her up on her offer since she went to the trouble.
"Yes! I'll-I'll get it ready right away!"
Kirin haphazardly kicked off her shoes and ran into the back of the house. I wonder how much of a hurry she was in. Normally, she'd politely align her shoes.
And also,
"...No, no."
When she ran into the back of the house, her skirt flipped up a little, and, well... I didn't see much fabric covering her butt, or rather, there wasn't any... No! I must have just not seen it all! Right! And besides, they're Riko's underwear, so it wouldn't be surprising if they were a bit risqué.
I forced myself to accept that and waited in the entryway for Kirin to call me.
---------
The welcome came quickly.
A woman in a kimono, who I assumed was a maid, led me to Kirin's room.
It was a tatami room with nothing particularly cute in it. In fact, it was rather sparse. In the center, there was a low table where tea in teacups and a Japanese confection were already prepared.
"Oh, you shouldn't have... You didn't have to prepare all this..."
"No, no! I'm entertaining Senpai!"
I was just planning to have some tea and leave, so she didn't need to get such expensive-looking sweets.
Of course, I'll make sure to savor what's been prepared for me. I still had plenty of time even if I relaxed here for a bit.
"Phew..."
I sat seiza style, held the teacup with both hands, and sipped the tea.
Ah, this is relaxing. It's hot outside, but hot tea is a nice touch. I guess the day will end with me going to the Sixth Division and training. Things have really been calm lately.
"Mmm..."
A gentle sweetness spread in my mouth as I ate the Japanese confection. It was perfect for a little sugar boost before training. I closed my eyes to savor the delicate flavor.
Kirin was also drinking her tea without a word.
"..."
Is she drinking? I don't hear anything next to me. Isn't it rude to make a sound while eating or drinking?
Curious, I opened my eyes and saw her with a difficult expression on her face.
"Kirin—?"
"Sh-Sho-Senpai!!"
"Huh, what... Blergh?! Hey! Kirin, you...!!"
Suddenly, Kirin knelt down and pulled up her skirt.
Naturally, the underwear underneath was exposed. It was a black underwear that didn't match Kirin's image. If I wasn't mistaken, it looked like there was a slit in the fabric covering her privates.
In other words, it was underwear meant to entice a man, allowing for intercourse without the need to take it off. There was only one reason to wear such underwear.
"Riko must have..."
"N-No! Riko-senpai did give me the idea, but... I was the one who decided!"
"No, but you decided..."
"Senpai, wouldn't you like to?"
Kirin said, with her skirt still pulled up. She moved a half-step closer to me, still on her knees. I looked closer and saw a transparent liquid on the privates of the underwear and around her thighs.
She then reached a hand up to the button on her chest and began unbuttoning her shirt. The black underwear she was wearing was a set.
"I'll do my best to make you feel good, Senpai..."
"Ah, ah..."
Kirin moved closer.
"I-Is that no good, Senpai...?"
"Hey, you..."
I'm not so patient that I can choose to do nothing when she's in this state. Seeing Kirin with her cheeks flushed, asking for me, my son was already swollen.
Even if I had to go to the Sixth Division afterward, Kirin's appearance was too provocative for me to back down.
And even more than that, considering the courage Kirin had to muster to create this situation.
"Kirin."
"Y-Yes! M-Mmmh?! ...M-Mmh, dirty, m-mwah,"
I pressed my lips against Kirin's.
Kirin seemed surprised for a moment, but she immediately intertwined her tongue with mine. We exchanged saliva, and our hot breaths escaped.
When I hugged her, Kirin's breasts, contained by her bra, were pressed against me.
I reached my hand to her chest, which was unexpectedly large for her age. I scooped them up from below, shifting the bra. As I sank my hands into her twin mounds, Kirin writhed as if she were ticklish.
All the while, Kirin kept pressing her lips against mine, as if begging for more.
"Mwah, chuu, slurp, mmmh, mmmh?! M-Mmh, ahh, t-there...!"
As I was enjoying the feeling, my finger brushed against the peak of her chest.
"They're already hard."
"Y-Yes, ahh..."
"And you're wet down below, so you've been planning this from the start, haven't you? Ahh, you were thinking this from the moment you borrowed the underwear from Riko, weren't you?"
I teased her, rolling the tip of my finger over her nipple.
"T-That's right. Ahh, I mean, ahh, I let Senpai in the house for this, uh, ahh..."
"I'm more than ready, too."
"There, ahh?!"
I reached out and rubbed Kirin's crevice.
"This underwear has an amazing design."
The underwear Kirin was wearing had a structure where the fabric covering her privates split down the middle. By just shifting that part a little, I could directly touch Kirin's important part.
Just by scooping the entrance a little, Kirin's juices dripped onto the tatami.
"Hahhh..."
When I inserted my middle finger, Kirin let out a deep breath.
Her vaginal opening was so hungry that it easily swallowed my finger. It squeezed my thin finger tightly, as if to say it wasn't enough.
As I slowly thrust in and out, Kirin's hips swayed uncontrollably.
"Ready to put it in?"
"Y-Yes... I-I wanna... I wanna do it now...!"
"Me too."
I pulled my finger out.
"Ow!"
I must have hit a sweet spot, because Kirin made a strange sound. Perhaps embarrassed by it, she stood up with a red face.
"I'll-I'll get the futon ready...!"
Kirin moved the low table and took a futon out of the closet. This must be the futon Kirin always sleeps on.
"I'll be on top this time... since you have things to do later, Senpai."
"Got it."
If Kirin says so.
I took off my bottoms and lay down on the futon, my erect rod pointing up.
Then, Kirin got on top of me without taking off her underwear. There was no need to. With underwear that had a slit down the middle of the fabric covering her privates, she could get right to it.
"Alright, here I go...!"
After adjusting her position, Kirin slowly lowered her hips.
My penis was slowly swallowed by her spread-open slit. My penis was enveloped by hot vaginal walls.
"Ughhh...!!"
She pushed her hands against my chest and lowered her hips.
And then,
"Ughhhh!!!?!?!?!"
My entire rod was swallowed. My glans gave a somewhat rough kiss to Kirin's cervix deep inside. The entire vagina trembled at the stimulation.
She seemed to have already climaxed, as Kirin was only letting out rough breaths and remained still for a while. Her hot breath, coming from her face pressed against my chest, passed through my shirt and reached my skin.
After a while,
"S-Should I... move now?"
She slowly started to move.
She moved her hips back and forth, rubbing against the deepest part. Just that made a lewd slurping sound.
"Mmmh, mmmh, mmmh, aah..."
The piston motion had begun.
But,
"Kirin?"
"W-What is it?"
"Is it not good?"
"It's not that..."
But her expression has been stiff since earlier.
"I'm..."
"You're?"
"I'm embarrassed..."
Embarrassed?
"Haha, I know, I invited you with such dirty underwear, I must be a hassle, but... instead of 'being done to by Senpai,' when I think that 'I'm doing it'... it's embarrassing to make dirty sounds and faces..."
In that case, should I just do it like usual? --No.
"Don't be shy. I want you to move in a way that feels good to you."
"Eh, but..."
"It's actually more arousing that way."
"Ehh!?"
Kirin's face turned beet red in surprise. At that moment, the grip on my penis tightened.
After that, Kirin hesitated for a bit, but then,
"O-Okay. If you say so, Senpai..."
She nodded and started to move.
As if my words had encouraged her, her movements gradually became bolder.
"Hah, hah, hah, this feels... so good... Ah, here, this feels good...!"
Sometimes it was rhythmic, and other times,
She would pull out all the way,
"Ahh, ahh. It came out, ughhh."
And thrust it all the way in with one go, until it knocked on her cervix.
She didn't just move up and down, but also moved in a way that rubbed against the walls.
"Hah, hah! I'm doing something dirty while still wearing my clothes!!"
Kirin was also getting more excited, and her hip movements grew faster. Her descending hips gave me a pleasant sensation, and the pleasure from my penis, which was thrusting into her deepest part, was intoxicating.
Kirin's face was a sight. Her lips were contorted, and a little drool was leaking out. Tears welled up in her eyes, yet she didn't stop her hip movements for the sake of pleasure.
It was as if her earlier shyness was a lie.
"Kirin! I'm about to...!"
"Ah, ah, S-Senpai's... getting bigger...!"
Kirin's face, now completely dazed, accelerated her hip movements. It was a slight acceleration, but it showed her desire to make the final push and make my ejaculation as pleasurable as possible.
With her dedication and the tightening, my sense of impending ejaculation grew stronger.
Bang, bang, bang, the rhythmic sounds of our bodies colliding echoed.
Feeling that I was at my limit, I put my hands on Kirin's body and,
"Eh, S-Senpai!!"
I pushed down her body, which was about to get up. I pushed it in so that my rod would pierce deeper, so that it would sink into the entrance of the small room deep inside.
And then, I let out the white fluid.
Squirt, squirt, squirt.
"~~~!!?!?!?!?!"
Kirin's hips jumped. Her face, pressed against my chest, let out ragged, damp breaths.
Inside, the folds of flesh enveloping my rod were spasming, frantically trying to squeeze out as much of my fluid as possible.
I didn't resist and surrendered myself to the pleasant sensation of ejaculation.
"Hah, hah, hah..."
After we both came, we held each other, catching our breaths. I stroked Kirin's head, and she rubbed her face against my chest without a word.
My son had gone limp, but we remained in the same position, holding each other and savoring the lingering feeling.
Just then,
"Sho."
"Hmm?"
Replica-san called out to me.
"The Sixth Division training is about to start. Are you going to stay here?"
"—!?"
"Wha!?"
Kirin screamed in surprise at my sudden jolt.
Th-That's right! I can't be lounging around like this!
"Sorry, Kirin! I have to go now!"
"Oh, r-right! Senpai has things to do after this..."
Kirin, startled by my words, jumped up and started to fix her clothes. "Fixing" them didn't really help, as the bottoms had a hole in them, and the top was designed to expose just the tips of her breasts, so she looked lewd either way.
I put my exposed privates away as well.
"Well then, Kirin! See you tomorrow!"
"Y-Yes! Please be careful, Senpai!"
With a quick goodbye, I rushed out of Kirin's house.
---------
After seeing Sho off, Kirin decided to take a shower to clean herself up.
She took off the clothes she was wearing and put them in the laundry basket. Now that no one was watching, she was quick to undress. She was soon in her underwear.
"Oh, wow..."
Seeing herself again, what a sight she was. She felt dizzy looking at her own reflection.
The black underwear was something she would never choose. The hole in the center of the underwear had stretched from the earlier insertion, and her secret parts, still messy and wet, were now visible.
The top was relatively unscathed, but the thin lace fabric was holding her breasts tightly.
"I have to wash it and give it back, don't I... I can't mix it with everyone else's laundry, so I have to hand-wash it."
And when she returns it to Riko, she'll probably be asked about today.
Bracing herself for that, Kirin began to do her laundry.
--------------------------------------------
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