Y/n Kibutsuji is upper moon zero, being the twin sister of Muzan. She can torture the demons like Muzan does and getting her blood is the same effect as getting Muzan's. He is protective over her and always worry's that she might be in trouble, but he also knows that Kokushibo has a crush on Y/n and is okay with that as he trusts Kokushibo.
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I followed my brother to a secluded estate with the other upper moons. Beside me is my best friend Kokushibo, and on my other side is Koku's kid Kaigaku and my brother's kid Rui.Rui was the cutest little kid ever, and he was extremely powerful despite Muzan not wanting to send him out on missions anymore after he almost died to a Hashira.
"Alright. You are staying here for a week. You all deserve a break and also I have some work to get done. This place is completely shaded by trees so no need to worry about the sun at all. Enjoy" Muzan explained before Nakime summoned him back to the infinity castle.
I smiled and picked up Rui before running inside to explore. Rui giggled the whole time which just made me and all the other upper moons smile.
As we were exploring I heard Douma say something, then Akaza punched off his head which almost hit me as it went flying down the hallway, then Koku scolding them both for whatever happened.
I went to see what was going on and saw that there was only one room to sleep in with 5 beds. So we'd have to double up when we sleep.
"Douma for the last time I'm not sharing a bed with you!" Akaza shouted, glaring at the higher rank who was smiling all happy.
Douma had recently learned how to feel emotions and so he wasn't as annoying, though it was still Douma so yeah.
"Actually I don't think you have a choice Kaza" I said from the doorway, giving a smirk to my other best friend who I knew had a secret crush on Douma "since we already know that Daki and Gyutaro are gonna share because they're children, Gyokko refuses to sleep without Hantengu, and me and Koku will each sleep with one of the kids."
See AlsoWith a caring male!s/oDemon Slayer Oneshots - Akaza x Reader - The Calm TwinRead Stories Infinite Stars | Peter Quill Daughter [1] | HannahDottierWINE & WOMEN โข ๐๐จ๐ฎ๐ฆ๐ ๐ฑ ๐ซ๐๐๐๐๐ซ - ๐๐๐๐๐๐๐ ๐๐๐๐๐Akaza gave me a deadly glare but I just smirked in response. Douma jumped up and down all happy which cause Akaza to crack a small smile.
"I think that the kids should share and you should share with Kokushibo" Akaza suggested, immediately earning a nod from Kaigaku who also knew of my crush somehow, and Rui who just liked the idea of sleeping with his big brother.
"I don't see a problem with that" Koku shrugged, a blush on his face that I sadly couldn't see, meaning I only panicked more.
"I mean whatever I don't care" I tried to sound nonchalant but I failed miserably making all the upper moons side eye me weirdly.
I shook it off and looked around, realizing that Daki and Gyutaro had already gone off on their own, which was okay because they have a lot on their shoulders for technically still being in the minds of 13 year olds.
That night was when the fun began. Of course Douma and Daki wanted to play a bunch of party games and Akaza and me kept saying no, which causes the two to pout until Gyutaro, Hantengu, Gyokko, and Kaigaku gave up and decided to play with them.
Rui was really tired since he was playing around in his webs a bunch earlier so he had long since passed out in my lap.
I sat on the couch next to Koku and laid my head on his shoulder with a sigh, stroking Rui's hair gently with my clawed fingers.
"Okay yall are getting too loud, it's almost midday, let's go to bed." Akaza eventually ordered everyone, and because he was upper 3 almost everyone listened without complaining, minus Daki.
Gyutaro had to drag her to their bed and give her sleeping pills to knock her out, which I provided because sometimes I get nightmares and can't sleep.
I couldn't smell that there was rain coming but I hoped and prayed that it wouldn't start storming because Rui would end up crying for Muzan and the others would get irritated quickly.
I just shook it off and laid down. I was almost asleep when I felt arms around my waist as someone's chest pressed against my back.
I knew it was Koku but I didn't mind, actually I kind of enjoyed being held by him like this. I smiled and let myself drift off to sleep.
"Y-y/n?" "Koku!" I heard two voices cry out. I blinked open my eyes and sat up, feeling Kokushibo do the same from behind me.
I saw that Rui and Kaigaku both stood next to the bed with tears stained faces. I was confused until I heard a loud clap of thunder. God damnit.
Rui was shaking and sweet Kaigaku was hugging him and trying to comfort him the best he could but he was clearly just as terrified.
I heard Kokushibo sigh and pat the spots on either side of him.
"Come here you two" he told them in a calm and comforting voice. They hopped up on the bed, Kaigaku behind Kokushibo and Rui between us.
To my surprise Rui clung to Koku instead of me, and Kaigaku ended up moving to be behind me after a few moments.
I sighed and smiled, laying my head on Koku's chest with no words and falling asleep with my body curled around Rui and Kaigaku pressed up against my back.
In the late evening we both woke up early and slipped out of bed, waking outside to enjoy the stars.
I sat next to Koku but when I began to shiver he picked me up and put me between his legs, hugging me from behind.
"I love you Y/n" he mumbled, the words barely reaching my ears. I sat there shocked before the words registered and I blushed.
"I-I love you too Koku" I replied in shock. I never in a million years expected him to love me back.
"Last night seeing you act so motherly towards not only Rui but Kaigaku as well made me realize how important you are to me" he explained, resting his head on mine.
I nodded in agreement. We sat there the rest of the night watching the stars and thinking about how we couldn't spend the rest of our time here in our bed if we wanted. Just us.
It was perfect.
