My Little Sister Suddenly Confessed to Me, but What Am I Supposed to Do by Dating My Little Sister? - Chapter 78 & 79 & 80
Chapter 78: The Strongest Enemy Joins the Fray!!
“Wait, this is bad. I actually got in the bath with a 4th grader. I’m still here, right? You can still see me, right?”
“Niichama, with only around 2,000 bookmarks, this isn’t gonna become a book or an anime, so it’s fine. More importantly, wash Mitsuki’s hair~~”
The author trying to make me describe Mitsuki’s appearance is definitely a pervert!
And so am I for doing it… Um… Mitsuki has black hair that’s even longer than Shiori’s—long enough to reach her butt. So, I hope you can rest assured that most of her is hidden by her hair. Her height is somewhat tall for a 4th grader, about the same as Shirai-sensei. She has long, thin limbs. Her face resembles Shiori’s a little, but it’s still childish. That said, she’ll definitely be beautiful in the future.
“Your hair is so long. It must be tough to wash.”
“Yeah! Niichama is really good at washing hair, so I grew it out because I wanted you to spend a long time washing it. Yay!”
“So that’s the reason you grew it out?”
“Nope, it’s not just ‘a reason.’ It’s an important reason—wanting to spend even a little more time with you, Niichama.”
As I washed Mitsuki’s beautiful black hair all the way to the tips, I found myself comparing it to Shiori’s. I was struck by the sudden urge to wash my sister’s equally beautiful hair.
“Alright, I’m going to rinse. Close your eyes.”
I rinsed the shampoo off with the shower, then applied conditioner and gently ran my hands through her hair.
“Does Mitsuki hate Shiori?”
Today’s actions were clearly hostile toward my sister.
“Ehhhh, no way! I love Shiori-neechama!!”
“Even so, I think today’s behavior would make Shiori think you dislike her.”
The last time we came, she didn’t act like she wanted to play with just me—we all played together.
“Hmm… Niichama, you’re a little dense, aren’t you?”
“Dense?”
“You don’t understand a girl’s heart…”
“Huh?”
This elementary schooler is at it again…
“…Niichama, something happened between you and Shiori-neechama, didn’t it?”
“Eh? Ehhhhhhh?!”
Why? Wait, how does she know? What?
“I knew it! Something did happen!”
“D-did you just bluff me?”
As expected from someone who resembles my sister a bit. Well, we’re cousins, so of course. As I applied the conditioner, I overlaid the image of my sister onto her back, and the feeling that both of them could see right through me filled me with a little fear.
“Nope. The way the two of you acted at the gate was totally different from two years ago. I immediately thought, ‘Oh, something happened.’ I already knew Shiori-neechama liked you, Niichama~~”
“Seriously? Did Shiori tell you two years ago?”
She did say she’d answer if asked…
“Ehh, she didn’t say anything. I didn’t ask either. No, I didn’t need to ask to know… Niichama, you’re really dense. If you’re that dense, there are probably a lot of girls crying over you.”
“I’m not that popular. I’m rinsing now.”
I rinsed her hair in one go with the shower.
“Really dense…”
Mitsuki muttered that as I rinsed her hair. Am I really that dense? I mean, I didn’t notice with Shiori, Michiru, or Asami either. Maybe I really am a little dense…
“Alright, I’m done washing.”
“Thanks, Niichama! Now wash my body~~~”
“Do that yourself.”
I placed the body sponge on Mitsuki’s head and sank into the tub.
This bath has always been big and spacious. It could probably fit three people—me and both sisters. Wait, hold on…
“Aww, you’re so stingy!”
Mitsuki started washing herself. It’s okay; she’s covered in bubbles, so I can’t see anything. The final chapter hasn’t come yet… probably.
“What should we do tomorrow? Want me to help you with your homework?”
“Eh? Isn’t homework something you finish before the end of July?”
“Seriously…?”
She’s like a mini-Shiori. But Shiori finished hers not just by the end of July, but in like three days back in elementary and middle school. She even completed the morning glory observation diary ahead of time… Wait, that’s not how it works…
“Then tomorrow, let’s go somewhere with the three of us.”
“Yeah!”
The innocent way she replied reminds me she’s still an elementary schooler.
Mitsuki rinsed herself off and got into the tub. No, I’m not looking; I’m looking up. Ah, a water droplet from the ceiling got in my eye.
“Phew~~ It’s been two years since I bathed with Niichama~~”
“Hey, are you still going to have that game showdown with Shiori?”
“Ehh, of course! I’m definitely not going to lose!”
She floated the rubber duck that was in the bath and puffed herself up with determination. So cute.
“You don’t have to get so worked up. Why not just play with the three of us?”
“Umm… does Niichama hate being alone with Mitsuki?”
“It’s not that I hate it, but I don’t like leaving Shiori alone. Same goes for you, Mitsuki.”
“But Mitsuki hasn’t been able to be with Niichama for two whole years, so don’t you think it’s okay to be alone together for a little bit? Shiori-neechama is always with you, so it’s a little unfair.”
“Hmm…”
Is that really true? Talking with Mitsuki makes me feel like I’m being set up. Is she really an elementary schooler?
At that moment, there was a sound and a shadow at the entrance to the bathroom.
The instant Mitsuki and I looked in that direction, the door burst open!!
“ONII-CHANNNN! I’M COMING INNNN!!”
“Guhaah!”
I slipped in the bath and nearly drowned in the tub.
M-my sister barged in… At least she’s wrapped in a bath towel, so I can’t see anything!
“Sh-Shiori-neechama!! Today is Mitsuki’s day to be with Niichama! Get out!!”
Mitsuki stood up and protested. It’s okay; I can only see her back…
“Mitsuki-chan, you said you had the ‘right to be with him,’ but you never said you had the ‘right to be alone with him,’ did you~~?”
“Ehhhh! That’s called nitpicking, Shiori-neechama!!”
I feel like you’re the one who shouldn’t be saying that…
“Mitsuki-chan, adults are sneaky, you know.”
You shouldn’t be saying that either…
“Shiori-neechama, that’s unfairrrr!”
“It’s not unfairrrr!”
This is just a kid’s fight now…
I quietly slipped out of the tub while the two of them weren’t paying attention.
The two were yelling at each other, so I used the opportunity to open the door and escape.
“Where are you going, Onii-chan!!”
“Where are you going, Niichama!!”
Called out by both of them, I turned around at that exact moment—and my sister’s towel fell down…
A moment of silence…
In front of me were a high schooler and an elementary schooler… and, um, since this isn’t an anime, there’s no magical light or convenient steam…
Um, excuse me, could this one moment be turned into an anime? With tons of magical light and steam…?
“GYAHHHHHHHHHHHHHHHHH!”
I frantically fled outside.
“Why are you the one screaming?!”
“O-Onii-chamaaaaa~~”
It wasn’t convenient, but there was steam, and I had my contacts out, so I didn’t see clearly. I didn’t see it, but… for just a moment, I saw four round, reddish things on their pale skin—two large, two small…
Alright, I’m going to say my vision is worse than 0.1… I didn’t see anything. I couldn’t see anything…
Will there be a next chapter? Am I really not going to get banned?
Chapter 79: The Strongest Enemy Joins the Fray!!
“Shiori-neechama, it’s unfair! Unfairrrrr!”
“It’s not unfairrr! It’s strategyyyy!”
They’re still at it…
I had my contacts out, so I didn’t see anything… supposedly. But the two of them don’t even care that I might have seen them. They just got in the bath together, changed, came to the dining table, and are still arguing… Are they close or not?
“That’s bad, Onii-chan!”
“There’s no way that’s good, Onii-chama!”
…As usual, they’re sharp. Or rather, do these two have telepathy or something?
A pretty impressive feast had been prepared on the table. The welcome party began with Yayoi-san, my aunt, me, Shiori, and Mitsuki.
“How’s school going, you two? Do you have boyfriends and girlfriends?”
“Uhh, ahahaha.”
I laughed it off at Yayoi-san’s question. Shiori is my ex-girlfriend, and now we have this delicate relationship where we’re kind of dating as siblings! I can’t say that…
“Ah, Yayoi-san, I have Onii—”
“Shiori! This salmon roe is delicious! I can’t believe you can get such good ikura in Nagano. You love ikura, right? Here!”
“Eh, ah, yeah.”
That was close. She was about to say something. She really is telling everyone lately.
“Yuu-niichama, where are we going tomorrow?”
“Eh, ah, I said we’d go somewhere, but where should we go…?”
I’d thought of a few places before coming here, but hmm…
“Well, around here there’s the wasabi farm, and then there’s going to Matsumoto.”
Yayoi-san mentioned Matsumoto, where she apparently got hit on. For light shopping around here, you go to Matsumoto. I’d kind of like to see Matsumoto Castle.
“I was thinking of going to Matsumoto, but… wasabi?”
There are plenty of wannabes here, but wasabi?
“There are water wheels and the water is beautiful. Also, the wasabi soft-serve ice cream is delicious.”
My aunt said that.
“Wasabi soft-serve!”
Ah, Shiori took the bait… Come to think of it, on a trip a long time ago, she said mentaiko (spicy cod roe) soft-serve was super delicious.
“Hmm, but if Mitsuki is coming with us, wouldn’t wasabi be boring?”
“Eh? Mitsuki likes that place. Right, Yayoi-chama?”
“Ah, Mitsuki even ate wasabi-don there.”
“Wasabi-don? What’s that? How classy.”
I mean, Mitsuki’s choice of games, wasabi-don… is she really an elementary schooler? Her behavior too… Ah, I see… She’s not “Mini-Shiori,” she’s “Mini-Yayoi-san.” My sister is basically fighting against Yayoi-san. That’s a tough opponent…
“Alright, let’s go there tomorrow.”
“Wasabi soft-serve, water wheels, a beautiful stream, and Onii-chan… ehehehehe.”
“Onii-chama, wasabi-don, ‘ahhh’… It’s spicy! Ehhh, Onii-chama is such a child. Ehehehehe.”
“…………”
My sister has split into two…
After dinner ended, Yayoi-san went to the study and my aunt to the kitchen, hurrying away. Why? Because…
“From now on, Niichama is going to sleep in my room with me, so Neechama, please sleep in the guest room. A. Lone.”
“I don’t wannaaaa! I’m sleeping togetherrr!”
“You can’ttttt! There’s only one futonnn!”
“There are more futons, so it’s fineee!”
“I won’t allow that in my rooommmm!”
“I don’t want tooooo!”
Here we go again… You two just sleep together; I want to sleep alone…
“Ahh, then~~ Shiori-neechama, you can sleep on Onii-chama’s futon in my room.”
“Huh? Is that okay?”
“Yeah! That’s fine~~ Onii-chama, let’s sleep together in my bed.”
“No, no, no, no.”
What is this girl trying to do? Does she want me erased? With that classiness and all, is she an assassin or something? “Assassin Mitsuki (4th Grade)” has a nice ring to it. Should I write it as a web novel?
“That’s right! Onii-chama, which one do you want to sleep with?!”
“That’s right! Onii-chan, which one do you prefer?!”
Ah, they’ve turned their sights on me…
“No, I want to sleep alone…”
“Rejected.”
“Rejected.”
So in sync. Why don’t you two do synchronized swimming together?
“Then the three of us…”
Can’t we just all sleep in the guest room? I’m tired…
“I… don’t really mind that…”
When Shiori said that—
“Noooo! Mitsuki won, so that’s not fairrr! Shiori-neechama is cheatingggg!”
Now Mitsuki started protesting while on the verge of tears.
Ah, what should I do? Hmmmm…
“Alright, alright. Then Shiori, sleep in the guest room.”
I turned to my sister and instructed her to sleep alone.
“…O-Onii-chan…”
My sister’s face distorted greatly, and tears began to well up. Don’t cry over something like this~~
“After all, a promise is a promise, Shiori.”
“Yayyyy!! Shiori-neechama loses~~ I win~~!”
Mitsuki raised both hands in celebration.
“So, Mitsuki, the promise was to be together ‘today,’ right?”
I confirmed the terms of the bet with Mitsuki.
“Yeah! I’m fine being with you forever~~ Onii-chama~~”
“In that case, once it’s 12 o’clock, I’m sleeping in the guest room.”
“Eh?”
“Eh?”
They both spoke at the same time, but their expressions reversed.
“The promise was for ‘today,’ right? Then it’s only until midnight.”
“Onii-chan…”
My sister’s face melted into an enraptured expression.
“Uuuuuu, that’s right… Then tomorrow is the three of us, so Mitsuki is sleeping in the guest room tooooo!”
“Nope.”
“Ehhhhhh! Why?! Ah, tomorrow we’re all three together?!”
Now Mitsuki looked like she was about to cry. I’m telling you, don’t cry over something like thisss!
“Mitsuki, you said it in the bath, remember? You’re still a child. Children have to go to bed early.”
“U-uuuuuuuuu…”
Mitsuki tried to argue back, but nothing came out. She seemed frustrated with herself.
“Come on, Mitsuki. Go brush your teeth and get ready for bed. I’ll stay with you until you fall asleep.”
“Buuuuuuu… fine…”
I patted Mitsuki’s head and urged her to go to the washroom.
“Then, Shiori, I’ll come later…”
“Ehehehehehehehehe, I knew it, Onii-chan… ehehehehehehe.”
My sister has blasted off into another dimension again…
Sigh, this is only the first day. I’m really worried about what’s to come.
Will the day ever come when I can peacefully read a book…?
Chapter 80: The Strongest Enemy Joins the Fray!!
Mitsuki’s room was completely transformed from two years ago—now overflowing with books.
“Th-this is incredible…”
Two years ago, her bookshelf had children’s books, manga, light novels, picture books, and encyclopedias—not a small collection, but normal for a kid. Now, the number of bookshelves had increased even further, filled with fashion magazines, classical literature, politics and economics, dictionaries, legal codes, hobby books—everything imaginable. The crowning piece? Even a study guide for a certain famous national university entrance exam…
“Um… do you actually understand all of this? All these books?”
I pulled out the exam guide and flipped through the pages. Um… I don’t even understand the subjects, let alone the questions and answers…
“Ehhhh, I can’t read all of themmmm!”
“Ahaha, well of course not.”
Ah, yeah, I know the type—people who keep English books they can’t even read in their rooms. I have the original Harry Ptter on my shelf too…
“I can only understand about half of them. It’s not nearly enough, Onii-chama.”
Mitsuki hung her head in disappointment, shoulders drooping…
A fourth grader who understands half of legal codes and university entrance guides…
Michiru was top of her class at enrollment, Shiori easily passed the competitive high school, and Mitsuki is… this. Are there only geniuses around me? Ah, I don’t think Asami was quite on that level. Asami is truly my mental oasis.
“Onii-chama, brush my hair~~”
Mitsuki handed me a brush and sat on the bed. I sat on the bed too and began brushing her hair.
“It’s really long.”
And beautiful. Mitsuki was probably showing off her hair to me both during the bath and now, silently saying, Touch it more, praise it more…
“Hey, Onii-chama… Shiori-neechama… was beautiful, wasn’t she?”
“Eh!?”
What?
“Shiori-neechama in the bath… she was beautiful…”
“…………”
Um, I’ve deleted it from my memory, so I don’t remember…
“Mitsuki tried really hard, but she can’t compete with Shiori-neechama at all…”
“But you won the game, didn’t you?”
Without stopping my hand from brushing, I said that to Mitsuki. She turned around and stared at me with a slightly frightening expression.
“That kind of thing… that kind of thing doesn’t count as winning. And even that was just a draw…”
I had no idea what she was so worked up about, or why she saw my sister as such a rival…
“Mitsuki, you’re still in elementary school, right? I think you’re more amazing than Shiori was at your age.”
When my sister was in elementary school, I didn’t think of her as “amazing.” To me, she was just a normal elementary schooler, a normal younger sister.
“Hmm~~ Onii-chama, you really don’t understand Shiori-neechama very well, do you~~”
Suddenly, Mitsuki’s face broke into a smile. Why?
“I don’t understand Shiori?”
Well, I didn’t understand her before, but now I thought I understood her reasonably well…
“Yep! You don’t understand her at all~~”
She turned sideways again, directing her hair toward me. I resumed brushing and asked Mitsuki.
“Do you understand her?”
At that question, Mitsuki began happily swaying her body left and right.
“I probably understand her better than Onii-chama does~~ Ehehe, if Mitsuki works harder, maybe I can catch up~~”
“Catch up? Catch up to what about Shiori?”
“Ehhhh? Hmm, I won’t tell you! Alright! I’ll work even harder!”
Mitsuki made a small fist-pump with both hands.
“Alright, Onii-chama, let’s sleep~~”
“Ah, yeah.”
Come to think of it, there’s a futon laid out next to the bed, but I told Shiori I’d go to her at midnight, so there’s no point in sleeping here.
“Then, sleep next to me, Onii-chama.”
“…Huh?”
“Ehh, but you said you’d put Mitsuki to sleep, right? Isn’t it normal to sleep next to a child when putting them to bed?”
“No, no, no, no.”
Here we go again—Mitsuki’s verbal attacks.
“Ehhhh, but Mitsuki is still a child~~ I can’t sleep unless you sing me a lullaby~~”
What is this adorably cunning pose, putting her finger to her lips and looking up at me—just like my sister?
“Kh…”
Is this payback for telling her children need to sleep early…?
“I’m bad at singing, so you won’t be able to fall asleep~~”
“Umm, then pillow talk is fine too~~”
“P-pillow talk?!”
“Bedtime stories or sweet nothings are fine too~~”
“No, no, no, no, I’m not doing that.”
“Then just talk to me about anything.”
“Well, that’s fine, but sleeping next to you…”
No, because I might get deleted again… What? The bookmarks and ratings aren’t increasing anymore, it’s not ranking on the daily charts, so do you want to end it?
“Then I won’t sleep~~ I’ll stay up like this until morning~~ Actually, that might be more fun for Mitsuki~~”
“No, but I said I’d go to the guest room at midnight…”
“Ehhhh, but Onii-chama, you said you’d stay with me until I fall asleep, right~~ You said it, didn’t you~~”
“Ah!”
I did say that.
“Heere you go~~”
Mitsuki lay down on the bed and pulled back the covers. Even in midsummer, Azumino can get cool enough at night to drop below 20°C, so it’s a bit cold without a blanket.
“Uuuu, fine, I’ll sleep next to you, but don’t get close to me, don’t touch me—I’m scared of getting banned.”
Won’t my sister or aunt stab me if they see this?
“Wow~~ Onii-chama, your eyelashes are pretty long~~ Like a camel!”
Mitsuki rested her head on the pillow and stared at me.
“A camel…?”
If they were that long, they’d be fake lashes… A sweet, milk-like scent drifted from either the futon or from Mitsuki herself. I’m not a lolicon. I’m not a lolicon. I said it twice because it’s important.
“Tomorrow is a date with the three of us!”
“Please get along tomorrow.”
Honestly, if today’s chaos continues, it’ll be rough.
“Hmm, I guess so. I overestimated Shiori-neechama a bit, so maybe I can ease up a little~~”
“Overestimated, huh…”
Ease up on what, I don’t know, but as long as they get along, I guess it doesn’t matter…
“I’m a little relieved~~ I thought it had already happened~~”
“Already happened?”
“Yep! Until Mitsuki becomes an adult, stay just the way you are, Onii-chama and everyone~~”
I have absolutely no idea what Mitsuki is talking about.
After that, we chatted about trivial things. Apparently, she had been so excited about our visit that she couldn’t sleep well last night, and she fell asleep suddenly like a small child.
I quietly got off the bed, turned off the light, and left Mitsuki’s room.
As promised, I went to the guest room where I used to sleep. My sister, perhaps tired of waiting, was already asleep in the futon. I mean, it doesn’t really matter, but please stop putting two pillows side by side on your futon.
I quietly spread out the folded futon, lay down, and stared at the ceiling.
The image from earlier today floated into my mind, and listening to my sister’s breathing from beside me, an unfamiliar emotion—an unfamiliar feeling toward my sister—began to sprout within me.
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