Chapter 1 Red Devil Sisters of Christmas Eve
“What should we do for Christmas, huh?”
“Well, we don’t have girlfriends, do we? Guess that means it’s just us guys hanging out!”
One day after school, my two best friends were chatting about Christmas right next to me.
Sota Miyanaga, the otaku-ish type, and Kaito Aoshima, the muscular delinquent-looking guy—these two I met when I started high school. After talking once, we hit it off and became fast friends.
“We spent Halloween together, so why not Christmas too?”
“I don’t mind. Though we might end up crying when we see all those couples out there.”
“Don’t say that… Right, Hayato?”
“Huh? Oh, uh, yeah, sure.”
By the way, my Christmas plans were already set. Arisa and Aina were coming over to my place. At first, we talked about going out somewhere or getting presents, but after some back-and-forth, we decided to just chill at my house with a cake party.
“Sorry, you two. I’ve got some stuff to take care of on Christmas.”
“Stuff?”
“No way… A girl!?”
If I said, Yes, a girl, they’d get pissed. If I added that it was the Shinjo sisters, they’d be even madder… If I told them I was dating both, would they straight-up kill me? They started pressing me like, What’s going on?, but of course, they weren’t serious. They just laughed it off with a quick, Just kidding.
“Actually, I’ve got some family stuff too,” Sota said.
“For real? Guess I’ll just eat cake with my family then,” Kaito added.
Looks like both of them had family plans for Christmas. Instead of complaining about not being able to hang out, they were smiling about spending time with their families—what a great thing. There’s no such thing as a bad person who values family… That might be an extreme way to put it, but it’s something I strongly believe.
“But lately, my mom’s been saying stuff like, Did you drink some of Hayato’s nail dirt or something?” Kaito said.
“Oh, same here! Being around Hayato makes me naturally want to cherish my parents more. It’s obvious, but compared to before, the difference in how I think is huge,” Sota chimed in.
“Hey, don’t look at me like that.”
Don’t stare at me with those grateful faces—it’s making my back itch!
“No, seriously, it’s a big deal,” Kaito insisted.
“Yeah, exactly. That’s why we wanna help you out if anything ever happens,” Sota added.
“…Thanks.”
Oh no, I’m starting to squirm. I mumbled my thanks quietly, embarrassed, and they just grinned at me. Sure, there was some genuine gratitude there, but it was mostly them teasing me. Naturally, I turned away with a huff.
Time flew by, and soon it was after school. My phone buzzed with a message from Arisa:
“Come over for dinner tonight, okay? Like always, Mom wants to see you too.”
Not only were they coming to my place in the morning, but it’d become routine for them to either come over for dinner or for me to go to their place.
(Let’s see… I’ll hang out with friends and head over around six.)
I sent that reply, put my phone away, and headed out into town with Sota and Kaito.
“Where to?”
“How about karaoke?”
“Let’s do it!”
We quickly settled on a destination and made our way to our usual karaoke spot. On the way, we passed some guys from our class munching on snacks, and for some reason, their conversation stuck in my ears more than usual.
“Lately, the Shinjo sisters seem super happy, don’t they?”
“Maybe they got boyfriends?”
“No way! If those two have boyfriends, it’d have to be some rich heir or something to match them!”
“Yeah, totally! Regular guys like us could never satisfy them.”
Hearing that, I unconsciously turned toward them and stopped in my tracks. It wasn’t like their words hit me in any specific way… but for some reason, I just stopped.
“What’s up?”
“Did they say something to you?”
“…Nah, it’s nothing.”
I shook my head at the two of them staring at me curiously and quickly rejoined them. After that, it was a blast—we sang our hearts out, everything from anime songs to enka, just enough to not wreck our throats. The pre-winter-break finals were finally over, and even though Arisa and Aina had been keeping me sane, maybe there was still a tiny bit of stress left? Well, if there was, it was barely noticeable now.
“Man, that felt good!”
“Karaoke’s the best, huh!”
I nodded at their words. It was 5:15 PM—time to head back, I thought. That’s when I spotted a somewhat nostalgic face.
“…Oh.”
A group of students in uniforms from a different high school caught my eye, and among them was a girl who’d left a mark on my memory, in a way.
“What’re you looking at?”
“Not our school, huh.”
It’s a big town, so running into students from other schools isn’t rare, and it’s no surprise they didn’t react much. But for me, she was someone I never thought I’d see again after starting high school.
(…Well, we live in the same town, so it’s not that weird.)
She was a classmate from middle school… someone I’d told Arisa and Aina about. We dated for a bit before breaking up.
“Let’s break up.”
It lasted a few weeks—basically just playing house. Having a girlfriend was nice, sure, but it’s not like I was over the moon about it. When she suggested breaking up, I just nodded and said, Okay, got it.
(She probably got bored… I didn’t exactly do anything special for her while we were together.)
Ugh, enough! Stop it! Even though I don’t care anymore, thinking about it still drags my mood down—what a pathetic guy I am. That relationship’s long over, and I don’t have any lingering feelings or regrets—so there’s no need to dwell on it.
“Alright, see ya here!”
“Later~!”
“Take care~!”
I waved goodbye to Sota and Kaito and headed straight to the Shinjo house. By the time I could see their place, I’d completely forgotten about that encounter in town. With my usual mix of excitement and nerves, I rang the intercom.
“Arisa or Aina… wonder who’ll come out?”
I played a silly little guessing game with myself. Hmm… Aina, I bet! As I waited at the door, it opened, and a woman peeked out with a warm smile.
“Welcome, Hayato-kun. We’ve been waiting for you.”
“Oh, good evening, Sakuna-san.”
It was their mom, Sakuna-san, who greeted me. No matter how many times I see her, she looks so youthful it’s hard to believe she’s got two high school daughters. Her figure’s even more striking than Arisa and Aina’s—something I know I shouldn’t dwell on, but it still gets my heart racing.
But… her kindness blows all that away in an instant.
“Oh, right—welcome home, Hayato-kun.”
“…I’m home.”
I’m not part of this household, and to Sakuna-san, I’m just the guy dating her daughters. Yet every time I come here, she greets me with both a welcome and a welcome home.
“It’s cold out there, isn’t it? The room’s all warmed up, so come on in.”
“Oh, yes, thank you.”
“But first—how about a hug, like always?”
She spread her arms wide, waiting for me. …Yeah, she totally sees me like a son, doesn’t she? I always hesitate for a second, unsure what to do, but that hesitation fades fast, and I end up stepping into her embrace.
It’s a different kind of comfort than what I feel with Arisa and Aina—a grown-up warmth, a kindness that I’m sure they’ve inherited from her.
(…Man, the power of maternal love is overwhelming.)
Her gentleness wraps around me completely, and even through her clothes, I can feel an incredible softness and size… I don’t get turned on like I do with Arisa and Aina, probably because Sakuna-san reminds me of my late mom.
“Where are they?”
“They’re taking a bath together. Probably wanted to hurry up so they could cuddle with you, Hayato-kun.”
“Haha, that’s flattering.”
I headed to the living room with Sakuna-san, and sure enough, the two of them weren’t there. While I helped her prep dinner, we waited. Aina came out of the bath first, all steamy, followed shortly by Arisa.
“Welcome, Hayato-kun.”
“Welcome home, Hayato-kun♪”
As if it were the most natural thing, they both hugged my arms. Arisa in pink pajamas, Aina in orange—almost the same design but different colors. Seeing them in such casual, private mode is probably a privilege reserved for a boyfriend. Surrounded by them, I struggled to keep my face from turning into a goofy grin.
“Hehe, well, I’m off to take my bath now. You two, handle things until I’m back, okay?”
“Got it.”
“Warm up properly—it’s cold out there!”
Sakuna-san left the living room, leaving just the three of us. Arisa and Aina, fresh from the bath in their pajamas… Being hugged by them felt amazing, their warmth and the scent of body wash and shampoo filling the air.
“Hehe♪”
“Ehehe♪”
They flashed angelic smiles from both sides and planted simultaneous kisses on my cheeks.
“Come on, Aina, let’s get cooking for Hayato-kun.”
“Got it♪ Hayato-kun, just relax, okay?”
I wanted to help… but even though I’d been assisting Sakuna-san earlier, they insisted I take it easy, so I reluctantly backed off.
“…They’re really gonna spoil me rotten at this rate.”
Watching the beautiful sisters cook so cheerfully just for me already felt extravagant, and knowing they were putting their all into it made it even more so.
“…”
I sat there, doing nothing but gazing at them as they worked. Once Sakuna-san came back from her bath, things moved quickly. The meal was packed with Arisa and Aina’s love, plus Sakuna-san’s expert touches—it was hands-down the best dinner ever.
“How was the food tonight?”
“Amazing. Seriously delicious.”
“You ate it so happily—that alone makes me happy.”
After dinner, I hung out in Arisa’s room. I’d have to head home soon since we had school tomorrow, but I wanted just a little more time with them.
“Christmas is almost here, huh? Then it’s winter break… Ooh, thinking about spending so much time with you, Hayato-kun, makes me so happy♪”
“I bragged that we’d make sure you’re never bored or lonely this winter break. Get ready, Hayato-kun.”
“Uh, okay… That’s a little scary, though.”
Scary… huh, that’s weird. The days ahead should be nothing but happiness, so why was my back shivering like something big was coming? As I trembled, they both pounced on me at once.
One of them alone I could’ve handled, but with both their weights, I couldn’t hold up. I ended up lying flat on the soft carpet.
“…The night feels lonely.”
“…The night’s so lonely.”
“Arisa… Aina.”
Lonely—that’s how they felt about me leaving. We could meet anytime we wanted, and a phone call could connect us whenever. Still, when it’s time to part, even just for a little while, they get all fragile.
Seeing them like that, I instinctively wanted to hug them tight and say I’d always be there… but it turns out I didn’t need to worry too much.
“I wanna live together soon.”
“Yeah♪ Then we could be together from morning till night… I’m so excited to live with you!”
“…Haha.”
Their anxious, lonely expressions flipped in an instant, and they started chatting excitedly about the future. After that, I got ready to leave, reluctantly stepping out of their warm home into the cold winter night. It was chilly enough that I’d catch a cold if I didn’t bundle up properly.
“I don’t wanna worry them by getting sick… Not just Arisa and Aina, but Sota and Kaito would probably fuss over me too.”
Still, I couldn’t help but think how fulfilling every day has been. My lifelong best friends are still as tight as ever, and I’m sharing irreplaceable, happy days with my girlfriends.
I sometimes worry if all this happiness might come with a backlash later, but that’s probably just me overthinking… No matter what happens, I don’t see a future where I’d fall into despair.
“…And it’s not just me. Them too.”
I won’t let a future come where they’d be sad either. That’s my vow… a feeling I’ll keep locked in my heart forever.
“I’m home~”
Since I ate over there, there wasn’t much to do. I took a bath, brushed my teeth, and checked my phone back in my room. A message from Aina was waiting:
“Did you get home yet? Today was so fun, Hayato-kun♪ Me, Nee-san, and Mom all had a happy time! I really love you! I adore you, Hayato-kun!”
“Even just text, her energy’s insane.”
It felt like Aina’s passion was bursting through the screen. I apologized for replying late, told her I’d already bathed and was about to sleep, and sent it off.
“Got it. Good night then—Hayato-kun, I’ll be thinking of you until the moment I fall asleep♪”
“…So cute.”
Alone in my room, I could grin like an idiot without anyone seeing. My reflection in the window confirmed it—I was smirking like a fool. No way I’d let anyone catch me like this outside.
“Phew, I’m beat.”
I got back to my room, prepped for tomorrow, and flopped onto my bed. The time with Arisa, Aina, and Sakuna-san was amazing, and hanging with Sota and Kaito was great too… but running into her was unexpected.
“…”
My middle school ex… For some reason, as I thought of her, those guys’ words from earlier popped into my head:
“Yeah, totally! Regular guys like us could never satisfy them.”
Couldn’t satisfy them… huh. For a split second—just a fleeting moment—I wondered if they were talking about me. Can I really satisfy Arisa and Aina? If I can’t, will they leave me like she did…?
“Man, that’s pathetic.”
I shook my head hard.
“You already wrestled with this once, Hayato. When you decided to date them, you accepted everything and steeled yourself. Don’t start fretting over crap like this now, you idiot.”
I slapped both cheeks with a sharp smack to snap myself out of it. Instead of worrying about not satisfying them or them drifting away like my ex, I should focus on what I can do for them right now.
It’s simple—respond to the love they give me and give it right back.
“Yeah… It’s all about switching gears, keeping that balance.”
With my mind settled, I started imagining Christmas. It’s pretty much set that I’ll spend it with Arisa and Aina, but what kind’ll it be? Arisa aside, Aina seemed like she was plotting something…
“…Gah! I’m so pumped, damn it!”
I couldn’t hide my excitement, kicking my feet against the bed. This isn’t me thinking anything dirty—it’s pure hype about spending Christmas with my girlfriends! That’s it! No objections allowed!
“…Yawn.”
After that burst of energy, a wave of sleepiness hit me hard. I turned off the lights and stared at the dark ceiling, feeling drowsy fast. Right before drifting off, I mumbled:
“Hope it’s a fun Christmas… No, it will be.”
And with that, I slipped into dreamland.
---
December 24th—Christmas Eve.
Snow had been falling for days, not piling up much but dusting the town in a pretty white coat. It was Friday, so we had school. Inside, everyone was buzzing a little from the morning—guys asking girls out, girls asking guys.
(Well, it’s a special day. People wanna make Christmas memories.)
Even without a partner, partying with close friends would be fun… If I weren’t with Arisa and Aina, I’d probably be doing that with the usual crew.
“…Hmm.”
It’s almost 5 PM now. I picked up the cake I’d reserved for today, and dinner’s covered by the culinary wizards Arisa and Aina. Everything’s set.
“Would’ve been nice if Sakuna-san could’ve joined us…”
I’d planned to invite her too, but she insisted we enjoy the night just the three of us. It’s my only regret, but we can always party with her another time.
“They should be here soon, right?”
Right as I muttered that, the intercom rang. I headed to the door and opened it to find the two of them standing there with shopping bags and what I assumed were overnight bags with clothes… Wait, isn’t Aina’s bag kinda huge? Well, she’s a girl—probably needs a lot of stuff.
“We’re here♪”
“We’ve arrived♪”
Their beaming smiles made me scream cute! internally. Worried I might’ve let a goofy grin slip, I ushered them inside, hoping they didn’t notice.
“It was snowing…?”
“Yeah, just a little.”
“It was pretty! A real White Christmas♪”
It wasn’t snowing when I got home, but it must’ve started lightly while they were on their way—I noticed traces of melted snow on their coats. They stepped into the warm living room and shed their coats, revealing their casual clothes underneath. Even just watching them take off their coats got my heart racing—it’s unavoidable.
(…And tonight, they’re staying over.)
That’s right! Since tomorrow’s a day off, they’re sleeping over, with Sakuna-san’s full approval. Our first sleepover… I figured it’d happen eventually, but not this soon. Honestly, my heart’s already pounding.
“Hayato-kun.”
“Y-Yes!?”
Oops, that came out weird… Arisa, who’d called me, and Aina both smiled, clearly seeing right through me. But their expressions quickly turned serious.
“Let us say hello again, okay?”
“Yeah, is that alright?”
I nodded, silently thanking them as I watched. They headed to a corner of the living room where the family altar sat. Arisa and Aina clasped their hands, closed their eyes for a few seconds, then spoke.
“We’re visiting again today—Mother, Father.”
“Good evening, we’re here—Hayato-kun’s mom and dad.”
Seeing them pay respects like that… it really warmed my heart. Sota and Kaito do the same when they come over, and it always hits me hard in the best way. As they finished with one last bow, I gazed at my parents’ photos on the altar.
(I wish you could’ve met them in person, Mom, Dad…)
That’s my one true regret.
Alright, time to shake off that tiny pang of sadness. While Arisa got started on dinner, I turned to Aina with a question that’d been bugging me.
“Hey, Aina.”
“What’s up?”
“Your bag’s way bigger than Arisa’s… What’s in there?”
Her smile deepened—and wait, I’ve seen that look before. As I tried to place it, she pressed a finger to her lips and said playfully:
“It’s a surprise for later♪”
“…”
So she wouldn’t tell me. I didn’t push—sure, it’s a tease, but if she’ll show me eventually, that’s fine… though, yeah, I’m really curious now.
“I’m gonna hop in the bath first.”
“Have fun~… Oh, want me to scrub your back or—”
It’s gotten way colder lately, so I politely declined. Her offer definitely made my heart skip, but Arisa probably would’ve stopped her anyway, right? Still… missing a chance to bathe with her again stung a little.
After that, they saw me off to the bath, and I warmed up in peace. Part of me half-expected Aina to barge in, but it was a calm, uneventful soak.
“I’m done. Your turn, Aina?”
“Yep! Time to enjoy Hayato-kun’s leftover bathwater~!”
Don’t say stuff like that, you’re a girl!
“Aina!”
See, your big sister’s scolding you for being shameless—
“Then I’ll go instead!”
Wait, that’s the angle!? I nearly tripped holding back a reaction. In the end, Aina raced to the bathroom first, leaving me and Arisa to wave her off.
“That’s more my reaction as a guy, isn’t it?”
“She’s way more perverted than you think, Hayato-kun. So her reaction’s spot-on.”
“…Didn’t you just say you’d take her place, Arisa?”
“Auditory hallucination.”
That’s a awfully convenient hallucination, Arisa-san. I probably gave her a deadpan stare—she turned away with a blush, muttering just loud enough to hear:
“Can’t help it… I love you that much.”
Well… yeah, when you put it like that, I’ve got nothing left to say. Sure, wanting to enjoy my bathwater’s a bit out there, and their love’s as heavy as ever, but I’m starting to think I wouldn’t be satisfied without it. I’m too far gone.
A steamy Aina came back a while later, and Arisa swapped in for her turn.
“…Ahh… haa♪”
“What’s wrong?”
“Nothing, just… it felt like my whole body was wrapped up in you, Hayato-kun…♪”
Right in front of me, Aina crossed her arms over herself, letting out a sultry sigh and trembling with a dreamy look—then dropped this bombshell:
“This heat alone might get me pregnant♪”
“…”
Next thing I knew, I’d slammed my foot onto the acupressure mat I’d set up earlier. Tears welled up from the sharp pain shooting through my sole. Aina rushed over, suddenly all worried.
“W-Wait, what’re you doing out of nowhere!?”
“Let go… let go, Aina!!”
“Hayato-kun’s lost it!?”
It was risky—I was close to losing it in a different way—but this kept my sanity intact. Sure, Aina looked dumbfounded, but it was necessary… totally necessary!
“…Still hurts, though.”
“Well, duh!? …But acupressure, huh… Here goes!”
“Aina-san!?”
She plopped down next to me and, with a let’s try it vibe, jumped onto the mat. Her pretty foot landed right on those merciless spikes, and her scream echoed through the house.
“Seriously, what are you two doing?”
Arisa, fresh from her bath, stared at us in exasperation. Once we were all together, dinner prep kicked into high gear—chicken, soup, all the tasty stuff lined up.
“Looks delicious… Itadakimasu!”
“Dig in♪”
“Itadakima~su♪”
The food Arisa and Aina made was special for Christmas, different from usual, and absolutely perfect.
“I always think this, but you eat so happily, Hayato-kun,” Arisa said.
“Yeah, yeah… Wait, Nee-san? Didn’t we have this exchange before?”
“It’s worth repeating, isn’t it?”
“Totally!”
I smiled at their banter, savoring every bite. Beyond the food being amazing, the cozy vibe of this moment made it taste even better.
(This big living room feels empty alone… but with them here, it’s so warm.)
At their place, Sakuna-san would make it even livelier. As I silently thanked them for that warmth, I felt an especially strong, gentle gaze.
“…What?”
“Hehe, nothing.”
“Nothing at all♪”
Yeah, right, it’s definitely something…
After dinner, we ate the cake I’d bought. It was from a pricey, popular shop, and worth every penny—they loved it, so I was thrilled.
“…Alright.”
Time passed, and now I was alone in my room, waiting for them. I’d tried to help clean up, but Arisa took over the dishes, so I left the living room with Aina—who then said she had to prep something and ditched me here.
“Prep… for what?”
I’d cleared a room for them to stay in, and she was apparently getting ready there before coming over. Arms crossed, I was grumbling to myself when a knock came, followed by Aina’s voice.
“Hayato-kun, can I come in?”
“Yeah, sure.”
Looks like she was done. What could she—my thoughts froze as she stepped inside.
“Tada~! What do you think!?”
“…”
I forgot how to breathe. Because… because standing there was Aina, decked out in a skimpy Santa cosplay.
Red as the base color, sure, but this wasn’t your typical Santa outfit. Normal ones scream thick and cozy—this was a one-piece dress, plunging low to show off her cleavage, a mini-skirt defying the season, her dazzling thighs framed by a garter belt… Wait, what!?
“You’re staring, Hayato-kun♪”
“…”
“Go ahead, look all you want… Stare until you burn a hole through me♪”
“A-Aina…”
She crawled toward me on all fours, like a panther locking onto prey, her eyes never leaving mine. Slowly, deliberately, she closed the distance as I backed away—then she licked her lips and spoke.
“Why’re you running?”
“Uh… well…”
This wasn’t the goofy Aina I’d messed around with earlier. She was seductive—like a succubus, pinning me with her gaze and stirring weird feelings.
“If you keep escaping, I’ll have to do this♪”
“Huh?”
What’s she—before I could finish the thought, she lunged and tackled me. I tried to catch her, but my hands landed in the wrong spot.
My right hand was enveloped in a soft, plush sensation. Yep, I was fully gripping her ample chest.
“Mmm… ehehe, I love it when Hayato-kun squeezes my boobs♪”
“…”
“The fabric’s so thin, you can tell, right? How they’re getting harder—”
This was bad. Really, really bad. Even though she should be embarrassed, her smile didn’t falter. I could feel everything through my palm, every detail vivid.
Her sweet scent and the charged atmosphere pulled me in, her face inching closer… Our lips were a breath away when the door swung open with a click.
“Hayato-kun. Aina’s over here too, right… oh.”
“Ah…”
“Ah…”
The three of us froze in an instant.
There wasn’t anything negative like getting caught cheating or anything like that, but what was this indescribable atmosphere?
My head, which had been pushed to its limits by Aina’s advances, cooled off fast. I could clearly see the snow falling harder outside the window—when did it get so intense?
“Aina… you little—!”
“Uh… I knew this might be bad, but yeah, it’s probably bad, huh?”
Arisa trembled with anger, clenching her fists tight and raising her voice.
“You told not to do to me, so why are you wearing that!?”
“…Huh?”
Wait… what was Arisa talking about?
I was still awkwardly holding Aina’s chest, but she laughed with an ahaha and scratched her head as she pulled away from me.
(…Did I just feel a little disappointed?)
As I lamented the loss of that sensation in my palm, I finally pieced together what Arisa meant and why Aina was giving that wry smile.
“So, uh, this was actually something Nee-san prepared. But she said she’s been too busy to wear it and told me to drop it… Then I thought, Wait, isn’t that a waste?”
“…Mgh!!”
“Teehee♪”
“This isn’t a ‘teehee’ moment, Aina!!”
So… Arisa was the one who got this Santa outfit?
She’d worn a maid outfit for me before to make me happy, so maybe this was another attempt at that…
They weren’t exactly arguing, but for once, Arisa was pouting like a little kid, glaring at Aina with her lips pursed.
“Uh, Arisa…”
“…What?”
Oh, she’s totally sulking…
I didn’t know what to say in a situation like this. Maybe it was the rollercoaster of going from aroused to calm that messed me up—before I knew it, I’d blurted out:
“I kinda… wanna see Arisa wearing it too.”
I froze the second I said it, but it turned out to be the perfect move.
Arisa’s face lit up like a blooming flower, and Aina nodded with a laugh, saying, Yeah, totally. Then she dropped a bombshell suggestion.
“It’s cold to go out and change somewhere else, right? I’ve got my change of clothes here anyway… So, Nee-san—what if we changed right here?”
“Huh?”
“What!?”
The first half made sense, but what the hell was she saying in the second!? Changing here means they’d both be practically naked in front of me… No way, that’s just—wait, what!?
“You’re right. It’s nice and warm here… Alright, Aina, strip.”
“Okay~”
“!?!?!?!?”
I slammed my eyes shut and clapped my hands over them for good measure.
Their giggles mixed with the sound of clothes rustling as they undressed… and I could feel my body heating up again.
---
He could’ve just looked… That was my honest feeling.
I’d wanted to wear it and show off first, but this girl… Well, whatever—Hayato-kun said he wanted to see me in it, and that alone sent my mood soaring.
“Haha, Hayato-kun’s so cute. He could totally look, you know?”
“Cut me some slack! This is already way too much!”
“Hmm? What’s ‘too much,’ nya~?”
Like Aina said, I wouldn’t mind how much Hayato-kun saw… I want him to look… and order me around like I’m his possession…
“Nee-san? What’s up?”
“…Oh, nothing.”
I shook my head lightly and took the Santa outfit from Aina.
It’s a Santa costume, sure, but totally impractical for winter with how much skin it shows… This design is definitely a manifestation of my desire to please Hayato-kun.
Like Aina, I’ve got a good figure, and I know Hayato-kun’s always flustered around me—so I picked this for that reason.
(…But that’s not all. There’s another reason.)
It’s simple: this revealing look is just for you, to make it crystal clear that I’m yours.
“Hayato-ku~n? We’re done changing.”
Huh? We’re still in the middle of it… Aina and I are both topless, nothing on up here.
“For real…!? Aina!!”
“Haha♪”
Hayato-kun opened his eyes, saw us, and snapped them shut again.
Goddamn, this kid… But it’s weird—I don’t feel the slightest bit shy showing my skin to Hayato-kun. If anything, I want him to look more.
“…Hayato-kun, you’re adorable♪”
He’s blushing so hard it’s cute, but I didn’t want to torture him too much, so we finished changing quickly.
“It’s safe now, Hayato-kun.”
Even so, he cracked his eyes open cautiously. When he saw us fully dressed, he relaxed—but then his gaze locked onto me, his eyes shifting with a new intensity.
(Oh… Hayato-kun’s staring♪ He’s really looking at me♪)
That smoldering lust in his eyes as he gazed at me—it’s honestly gorgeous.
Aina’s giving me a jealous sidelong glance, but you were just wearing this and cuddling him—control yourself!
“Well, guess I’ll let Nee-san have this one. I’m off to the bathroom~”
Aina left the room, leaving me alone with Hayato-kun, even if just for a bit.
I sat close beside him, hugging his arm tight against me… Feeling him this close, letting him feel me—it’s one of my favorite moments.
“Arisa.”
“What?”
“You look… really cute. It suits you.”
“…Oh, thank you♪”
I love how he says it, shy but sincere.
Staring at him heats me up like always… Aina feels it too, but I want to do so much more with him.
(Even naughty stuff… If it’s with Hayato-kun, I’d—)
I’d obey anything he told me to do, any command he gave.
No—I want to. I want him to mark this body as his, to ravage me… That’s why I crave being dominated by him.
That desire was so overwhelming, I ended up saying:
“Hayato-kun… could you tie my wrists with this ribbon?”
“…Huh?”
He was shocked, but he did it.
He took the red ribbon I handed him and bound my wrists together. Now I couldn’t move freely… and I said:
“The present’s me, Hayato-kun…♪”
“…Arisa.”
Seeing his face flush at my words flipped a switch in me.
(…Alright, here we go, Arisa! Aina did it earlier, so—!)
With a burst of determination, I threw myself at him with a thud.
He wasn’t expecting it and didn’t resist, tumbling back as I ended up straddling him.
“Uh, Arisa?”
“…You did it with Aina, right? This much is fine.”
Am I heavy…? I worried for a second, but I wanted him to feel all of me, so I pressed my full weight onto him.
We locked eyes up close and shared a light, brushing kiss.
I’d just thought it, but I really want to do so much more with him… Yet that one kiss satisfied me—it filled my heart completely.
“By the way, Hayato-kun… can’t we sleep here instead?”
“You mean set up bedding here?”
I nodded.
I appreciated that he’d prepared another room for us… but since it’s our first sleepover, I wanted to sleep in his room with him.
He mulled it over for a bit, then gave in with a resigned Alright, and in my joy, I pulled his head into my chest.
“I’m back~… Wait, Nee-san, you’re way too slick!”
“I just did what you did. Aina, we’re sleeping here tonight—Hayato-kun said it’s fine.”
“Huh? I was planning on that from the start, no need to ask.”
“…Oh.”
…Sometimes, watching Aina teaches me stuff—I could learn from her.
Maybe I should be a bit more selfish like her? Not to the point of bothering Hayato-kun, of course, but I could push a little harder… let myself want more!!
“…Yawn.”
Just then, Hayato-kun let out a big yawn.
He looked super sleepy, so Aina and I exchanged a nod and decided to call it a night.
The night was just beginning… but this might be for the best.
It’s our first time staying over at his place—if he’s too nervous to sleep, this is better.
“He’s out, huh?”
“Yeah… Hey, Aina, wasn’t it fun?”
“Totally. So much fun… Ehehe, once you experience this, there’s no way you’d ever let these days go.”
I nodded firmly at that.
Hey, Hayato-kun, winter break’s almost here.
Like we promised you before, Aina and I won’t let you feel a shred of boredom… We’ll wrap you in our love and give you a passionate, unforgettable winter break.
So please, enjoy it, okay?
“Come on, Aina, let’s sleep too.”
“Got it~♪”
…That said, maybe a little peek before bed.
I sat up and gazed at Hayato-kun’s sleeping face on the bed… Aina joined me, staring at him too… After about ten minutes of watching, we finally drifted off.
And so, the Christmas night Aina and I spent with a boy for the first time came to a close.
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