Family

We can see Naoki at the base of mount nataguma, he is looking up he can hear screaming from other slayers.

'Damn watching and actually experiencing it is way different, but time to go I have to get to tanjiro before Shinobu does.' Thought Naoki.

SWIFFF(shunpō)

Naoki began to travel through the mountain until he seen tanjiro fighting a giant demon, tanjiro was already injured while his companion with the boar mask was attacking the demon, tanjiro was watching slowly breathing to help his wounds, Naoki just sat and watch he already knows they will win.

'I should leave they will handle it. I should find rui and get this over with, I know tanjiro discovers hinokami kagura but I've already told him about it so I'm guessing he's been practicing using it.' Thought Naoki.

SWIFFF(shunpō)

[15 minutes later]

Naoki made it to what looked to be a house even though it was run down, he was walking but then stopped when he 'seen' some thread in front of him then you heard a voice.

"You humans just don't know how to leave me and my family alone, we'll no matter you will die anyway." Said the demon.

"Family? I didn't know demon knew the meaning of the word, you and other demons tear them apart so much that's it's surprising, what's your name demon you seem strong to are you a kizuki?" Asked Naoki he already knows this but is playing dumb.

"I really don't care about you humans and their families mine is a perfect family, but I'll tell you my name human it's rui and I'm lower moon 5 even though I could care less about my rank." Said rui.

(A/n: I felt like rui really didn't care about his rank since he just wanted a family even tho it was fake.)

"You're a lower moon that's disappointing, well no use crying over spoiled milk I'm gonna kill you now so let's get this over with." Said Naoki as he unsheathed his sword.

SLASH!!

Rui sent a wave of threads at Naoki who used shunpō to escape, he continued dodging until he seen an opening and took it.

[Star breathing: 3rd form: The fall of the neutron star]

As Naoki sends his strike at rui you can see something that's looks like a shooting star shoot towards rui who took the hit head on.

"Wh-what was that it was so hot and my body it's not healing, and can't die hear I have to make my perfect family." Yelled rui.

" you basically got hit with a neutron star which is more powerful then big yellow up in the sky during the day your lucky you're still whole I could've killed your but I didn't I want to tell you something." Said Naoki.

"You had a perfect family but that's where it ends you need to remember yourself, remember your mothers love." Said Naoki.

As rui heard Naoki he began to remember his life as a human and the day he killed his parents they where going to kill themselves after they kill rui so he doesn't turn into a monster.

SLASH!!

"I hope you have a nice afterlife with your parents." Said Naoki as he killed rui.

When he finished tanjiro arrived and seen Naoki.

"Naoki-San your here too, are there anymore demons?" Asked tanjiro.

"Calm yo ur breathing tanjiro you're already injured, I have to take you back to HQ so you and your companions can get healed Shinobu-Chan is on her way now but tanjiro, you are gonna explain nezuko I'll protect her but you will have to tell the master and the other hashira."said Naoki, then the door to tanjiro's box opens and nezuko comes out and hugs Naoki.

"Yes Naoki- San I new this was going to happen eventually, and thank you for say you will protect nezuko." Said tanjiro as he lowered his head.

"You don't have to bow, oh and when you seen a man with scars on his body and a kid with bandages on his mouth try to avoid them they really hate demons." Said Naoki while still hugging and patting nezuko who was purring like a cat.

"Ara it seem that's I'am late but Naoki-kun is here so no matter and giyu arrived too." Said Shinobu, kanao was with her.

"Hello Shinobu-Chan, giyu-San, I've already finished off the demon so we can head back." Said Naoki but when he looked at Shinobu she had her sworded in hand.

"Umm Naoki-kun you you're hugging a demon right so if you would so and step away from her." Said Shinobi as she was about to dash as nezuko.

But then Shinobu suddenly stopped when she felt the air around her get heavy and when she looked at Naoki, he had a look of hatred on his face, she had never seen Naoki like this he's always smiling or has a straight face but this time she knows she messed up.

"Shinobu I see you as a friend maybe something more but if you take one step I will put you done if you think I'm lying try it, and another thing you said she's a demon you are correct but did you not see she not attacking me, she's actually hugging me and looks happy that's should be a clue right there that's she's different not you decide." Said Naoki as he pulled back his haki, he didn't release all of it she would be knocked out if he did.

Shinobu started to think about what he said first Naoki said he sees her as a friend and maybe something more to which she blushed a little but recovered, now she looking at nezuko and she felt stupid the "demon" was acting like a child who seen her big brother for the first time in a while. And another thing was the relationship between Naoki and nezuko.

"I apologize for acting for my feelings without looking at the situation but this is unheard of for a demon to keep its sanity, so what your relationship with her Huh?" Asked Shinobu in a teasing voice.

"She's like a little sister to me but her actual brother is over there he needs treatment so can you take him to the butterfly mansion along with his companions I already told him to tell the master and the other hashira about nezuko." Said Naoki as he let go of nezuko who was pouting.

Giyu was completely ignored as they descended the mountain, they made their way back to HQ.

[2 days later]

Demon Slayer HQ

You can see all the hashira waiting for the master and tanjiro to come, and when everyone was talking to each other, that's when the master and everyone bowed except Naoki, iguro and sanami were still pissed but the couldn't do anything as the master said it was ok.

"Hello my children i'm happy to see you all when for the topic of today's meeting, Naoki I'll let you explain." Said kaguya.

"Yes kaguya-sama, the topic of today's meeting is mizunoto tanjiro kamado and his demon sister nezuko kamado, we will talk about what to do with the both of them." Said Naoki

"Announcing arrival of tanjiro kamado." Said the kakushi.

As tanjiro walked in he seen all the hashira but his eyes lit up when he seen Naoki.

"We can talk later tanjiro state you case to the master so we can come to a decision." Said Naoki.

Tanjiro became to explain what happened to him and his family, the hashira felt bad for him and sympathized with him but they still felt that nezuko should be killed except giyu and Shinobu, but Naoki intervened.

"I can vouch for her, she has never harmed a human and I can she you." Said Naoki as he walked up to tanjiro and took the box nezuko was in and walking inside the house kaguya was in.

He opened the box and she jumped out and hugged him which stunned the hashira except giyu and Shinobu, Naoki began to explain to nezuko about what he was about to do and she nodded, when he cut his hand with his sword and showed nezuko she resisted and almost gave in but turned her head away which stunned the hashira.

"Now that's I've proven she's harmless she can stay right?" Asked Naoki.

Kaguya agreed and the meeting ended and Naoki went to his mansion that is now finished.

He made it home and seen Mammon and greeted him as he went to his room which was big, he sat down and spoke to rika.

'Rika use one gacha ticket please thanks'

[l'm here to serve Naoki-sama]

As the ticket was being used he got something surprising.

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[NEW SKILL]

Limitless

-Description: The true nature of Satoru's Curse Technique, passed down through the Gojo Clan for generations. It manipulates space at the atomic level to produce "impossibilities" for various effects at his command. With his Six-Eyes, You can utilize this technique to its fullest potential.

-Infinity: The "neutral" form of the Limitless Technique. While active, any attack aimed at Gojo will instead strike the "infinity" between himself and his opponent, never reaching him due to the infinite amounts of virtual space produced between him and his opponents. Like the convergence of an infinite series, "number one" and "number two" can't reach due to the infinite number of fractions between them. You can decide what can and can't interact with you based on the object's mass, speed, and inherent Cursed Energy.

-Lapse blue: the power of attraction to draw in everything around a point in the space of your choosing. You can move this point around yourself to attract everything to that point.

-Reversal Red: You reverse the power of Blue, violently ejecting everything touching a void with the divergence of infinity with twice the strength of Blue.

-Hollow purple: You can combine Red and Blue, filling a void with imaginary mass to expunge everything along its path from existence.

-Domain Expansion: Unlimited void: You can expand a metaphysical territory to a particular size by utilizing an enormous amount of Cursed Energy. Inside, your opponent will experience all kinds of stimuli and exhaustive information, completely paralyzing them and eventually causing them to die. Any ordinary person within 0.2 seconds of the skill's scope and timeframe would be disabled for nearly two months; any longer than that would be fatal. Satoru estimates that for an average person, that 0.2-second span is roughly equal to half a year of the amount of information the brain receives. Moreover, like most Domain Expansions, it will provide a 100% hit rate and a tremendous boost to every user's cursed ability.

———————————————————————

'Damn I already have the six eyes this is just luck I guess I'm not complaining. We'll time to train it.' Thought Naoki.

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Well guys this is the new chapter thanks for the wait, I want to ask y'all something would y'all like Naoki to use his stellar fire as a quirk or use Limitless as his quirk??

VOTE ✅

-Stellar Fire

-Limitless