This wasn't the first time Mutsumi had made such a request.
The last time she wanted to sleep with him was during that thunderstorm with lightning and rumbling thunder.
The girl with long, light green hair lowered her eyelashes slightly, inexplicably looking a bit uneasy.
Kaito didn't immediately refuse. He just gently pinched the girl's smooth cheek. The texture felt like soft glutinous rice dumplings, making it slightly addictive, "Why did you suddenly think of sleeping with me? Is something on your mind?"
Wakaba Mutsumi gently shook her head. After a moment of silence, she said softly, "I just miss Onii-chan's warmth."
No reason, no excuse.
Just a younger sister who craved warmth, acting spoiled toward the brother she liked without any logic.
And most of the time, it's exactly this kind of sincere and undisguised emotion that's more moving.
Looking at the unease and anticipation in the girl's golden eyes, Kaito thought for a moment and still didn't refuse.
In Mutsumi's growth, she had too little concern from the outside world.
In the past, she rarely expressed her needs, like a puppet with no emotions, silently executing orders from others.
'Now, this girl has something she wants to do and even took the initiative to express her needs.'
'It means that she is slowly searching for emotions that belongs to a human being.'
Back then, the reason Ms. Mori Mina entrusted her daughter to him was also to treat Mutsumi's psychological problems.
Now that the treatment showed early results, at least in Kaito's view, it was clearly a good thing.
As for whether siblings should avoid suspicion…
The pure are pure, the impure are impure.
As long as one is true to oneself, such insignificant little details don't need to be over-concerned about.
Of course, the premise of this logic is that Mutsumi's familial affection toward him doesn't suddenly change in nature.
'Unless that cute cucumber fairy also ends up like Kita, Nijika and the others, familial affection mutating into ince*tuous love…'
Kaito shook his head, still feeling that idea was unrealistic.
'The always quiet, obedient, and sensible Mutsumi. How can she suddenly undergo a huge change in personality and do something that doesn't fit her character setting?'
'It's not like she has schizophrenia.'
'Probably, I am just overthinking it?'
———
He brought Mutsumi into the bedroom. The light was on inside the room.
A long-unseen figure with green hair sat in front of the screen, fully focused on something.
Hearing the sound of the door opening, the little blade girl was startled. Her first reaction was to hurriedly block the computer screen.
That guilty reaction made Kaito fall silent for two seconds.
"Ahahaha, Master, w-why are you looking at me with that weird expression…", Kumiko tried to maintain a nonchalant pose, but her acting was clearly catastrophic. Kirara would've shaken her head.
Because of Mutsumi's presence, Kaito didn't press the issue. He simply released his divine sense and scanned the screen she had blocked.
'Several novel websites are open on the browser.'
[The Domineering Blade Spirit Fell in Love with Me]
[Conquering My Master]
[My Blade Spirit Can't Possibly Be This Cute!]
Kaito: "..."
'What is all this nonsense?"
Though, the content wasn't particularly extreme, these regular websites still had strict reviews. At most, it played on the edge, with key parts glossed over.
But the theme was surprisingly consistent, mostly related to blade spirits.
He glanced at the search history again.
[How to be with Master forever?]
[Do boys like big ones or small ones?]
[Can a human marry a sword?]
His silence was deafening.
Maybe because the box had been opened, PA-san had become much more cautious recently. The Otokagi Alter account hadn't gone live for a while now.
At first, Kumiko had felt a little lost upon realizing this. She had gotten used to tuning into Master Alter's livestream every night like clockwork.
Now that the guiding lantern on her path had suddenly gone out without a word, of course, she was worried.
Because of this, the little blade girl had been rather gloomy for a while, hiding in the Murakumomaru every day, doing who-knows-what.
Kaito hadn't paid much attention, after all, kids' moods come and go quickly.
But he hadn't expected…
That the moment she finally came out of her shell, he'd be greeted with… such a difficult-to-describe scene.
After a moment of silence, he decided not to dwell on this topic.
After all, Mutsumi was still present. Whatever needed to be said should wait until he was alone with Kumiko.
"A-Anyway, it's already really late…", Kumiko's clever mind was running at full speed and finally came up with a decent excuse, "Staying up late is bad for the body. I need to rest too! Good night, Master!"
After hurriedly shutting down the computer, she turned into a wisp of green smoke and dove into the Murakumomaru.
Kaito rubbed his temples, feeling a bit of a headache.
If nothing unexpected happened, then after this, Kumiko was probably going to shut herself in again for quite a while.
He sighed and looked at Mutsumi beside him, "Sorry you had to see that. Kumiko… is just that kind of personality."
"Not at all," Wakaba Mutsumi blinked her jewel-like beautiful eyes and gently shook her head, "Onii-chan, you're being too polite."
Perhaps because of their similar hair color, she actually had a pretty good impression of Kumiko.
Also, although the two hadn't interacted much… as the younger sister of the Master, by rounding up the relationship, shouldn't Kumiko call her "Little Aunt"?
'Ahem, back to the main point.'
With the little blade gone, the room was left with just the two of them alone.
Kaito, familiar with the process, helped Mutsumi make the bed, said goodnight as usual, and was just about to close his eyes to rest when his phone suddenly vibrated.
He unlocked the screen and saw a message from an ID with an aromatherapy icon.
[Nagasaki Sayo: Kaito-kun, are you asleep?]
[Kaito: Not yet.]
Even though they had already had the most intimate relationship, Sayo's way of addressing him hadn't changed much.
It wasn't that the girl hadn't thought about changing how she called him, like "darling" or "dear."
But she always felt it was too cheesy and worried it might come off as clingy. So in the end, she regretfully gave up on that idea and kept the usual form of address.
[Nagasaki Sayo: I bought two movie tickets for the day after tomorrow.]
[Nagasaki Sayo: Want to go together?]
Since that time, the two hadn't really gone on a proper date.
Given it was a rare Sunday, of course she wanted to use this opportunity to nurture their feelings.
She used to watch couples post their sweetness online, only able to silently observe.
Now that she had a beloved boyfriend, she couldn't wait to recreate every fantasy she had once imagined.
Holding hands while watching a movie, strolling through an aquarium together, kissing and embracing under the watch of water and dolphins.
Just imagining those experiences was enough to make the girl's lips curl into a beautiful smile.
Then she thought about how far behind she'd left Mutsumi, who was probably alone under the covers, silently crying little pearl-like tears, and that smile grew even sweeter.
'This time, I won~'
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