New hashira??

After Kyojuro died Tanjiro went to his home to meet with Kyojuro's Father and little brother.

Tanjiro got into a scuffle with Shinjuro, everything is fine now, Kagaya called a meeting with the hashira and The trio (Tanjiro, zenitsu, inosuke) one thing that was different was that Tanjiro wasn't as injured as he was in canon.

"I have called all of you here too because we have lost one of our hashira, I know it's sad but we have to move on and appoint a new hashira." Said Kagaya.

"But Master don't you think it's To soon to replace him." Yelled Sanemi.

"Sanemi, The master didn't permit you to speak." Said Naoki.

"Oh shut up You're only saying that because you hadn't known Kyojuro for long." Said Sanemi as he walked towards Naoki and Grabbed him.

Naoki didn't like that and Mammon almost Kill Sanemi on the spot.

SMACK!!

"I don't want your hand to dirty my uniform so don't touch me, you are right I didn't know him long but that doesn't matter because he still deserves to live, and trust me if I see the demon that killed him he will die." Said Naoki as he sat back down. (he's wasn't kneeling)

"Sanemi calm down and let me finish speaking." Said kaguya.

"Apologies Master." Said Sanemi as he went back to Kneeling.

"Like I said I want to appoint a new hashira, And the new Hashira will be Tanjiro Kamado he plays a important role in killing Muzan, as he is the only user of Sun Breathing." Said Kagaya.

"Master you're joking right, how can he be the only user of the original breath, and how do you know this?" Asked Iguro.

"Well Naoki-kun came to me after our last meeting and told me." Said Kagaya.

[Flashback no jutsu.]

After the Hashira meeting was over Naoki wanted to tell the master about Tanjiro so he got permission.

"I'am here to see the master I have something important to tell him." Said Naoki.

The guards let him inside and he was lead directly to the masters room, Naoki announced his presence before getting permission to enter the room.

As Naoki sits down he take out his sword and puts it to his left side.

"Kagaya-sama there is something I must tell you about Tanjiro, it's important and will help kill Muzan." Said Naoki.

"If it's about a way yo defeat Muzan then it must be important, so go on please tell me." Said Kagaya as he got up with the help of his wife.

(Kagaya's wife —>)

"Tanjiro's Family comes from a long line of cole miners so he had a strong affinity towards fire, his family has the heirlooms of the first breath user, Yoriichi Tsugikuni the user of the Breath of the sun, of and Tanjiro calls it Hinokami kagura." Said Naoki.

"I'm telling you this because I've told him to focus more on training that breath style in order to slay Muzan, who was almost killed by Yoriichi Tsugikuni in the past." Said Naoki.

Kagaya was shocked but happy that there's a way to kill Muzan, the man who has cursed his family.

"So what do you want me to do?" Asked Kagaya.

"I want all the Hashira to have a hand in training him besides me, I'll handle the others missions so I can get Muzans Attention and when that happens, Tanjiro will be ready and we can make an all out assault on the demons." Said Naoki.

Kagaya was shocked once again, he can feel Naoki's determination and he couldn't help but smile.

"Ok I'll do as you ask but If you need help form the others don't hesitate to ask." Said Kagaya.

"Thank you Kagaya-sama." Said Naoki as he exited the room.

[Flashback over.]

The rest of the Hashira were shocked especially Giyu he didn't know that saving Tanjiro would have this type of result but for the first time in a while he smiled.

"That was the information that Naoki-kun gave me that day, so I ask you, will you be able to train Tanjiro to best best of your abilities?" Asked Kagaya.

""""YES MASTER"""" Said the Hashira except Giyuu and Naoki.

[3 Months Later]

It's benn three months since Tanjiro became the Sun Hashira and he and his two companions have been getting Trained by the other Hashira, Naoki has been on Missions all this time he hasn't been back to HQ in some while and when he was going home he got news of something.

"CAW THE SWORDSMITH VILLAGE IS BEING ATTACKED HURRY BACK CAW" the crow flew away.

'So the Swordsmith arc is starting, I'm not gonna interfere I'll let Tanjiro handle it this can get him experience fighting upper moons.' Thought Naoki.

SWIFFF(Shunpō)

As he disappeared and reappeared near the swordsmith village he stayed in a tree and watched.

"Tanjiro has gotten stronger he's actually putting up a fight against Hantengu." Said Naoki.

[3 hours later]

The sun had came up and Something amazing happened,Nezuko stepped into the sun and survived.

Mitsuri was crying while yelling we're alive, Naoki decided to make his appearance.

"Sorry I'm late I had to complete some missions but it looks like my help wasn't needed." Said Naoki.

BOOM!!

Mitsuri Jumped on Naoki and hugged him while crying.

"Naoki-Kun I'm alive." Said Mitsuri.

Naoki just smiled a patted her head.

"Yes you're alive now can you get off of me before a certain hashira tries to kill me." Said Naoki.

Mitsuri got up and stopped crying, Naoki looked at Tanjiro and Nezuko when he was about to say something Nezuko Ran up and Hugged him too.

"Hello" was the only word Nezuko said.

"Well hello to you to Nezuko, I see you can stand in the sun now." Said Naoki.

[Days Later]

The Hashira were inside a room waiting for Kagaya who had called an emergency Meeting.

"I envy you guys, why can't I bump into an upper moon." Said Sanemi.

"It's not like you just bump into them, but how are you doing Kanroji, Tokito and you to Kamado?" Asked Iguro.

"I'am feeling a lot better." Said Mitsuri.

"I'am not at full strength." Said Murichiro

"I'm fine Obanai-san." Said Tanjiro.

"Well you both fought Upper moons so get some rest." Said Naoki.

"Hopefully we don't lose any pillars or we will be in trouble, but defeating two upper moons without casualties is very noble indeed." Said Gyomei.

"You two recovered surprisingly quickly from This, Did anything happen?" Asked Shinobu.

"Oyakata-sama probably wants to about everything including this." Said Giyuu.

The door opens and three people come inside.

"I'm very sorry for the wait, For out pillar meeting Today, I Ubuyashiki Amane, will be attending in place of Ubuyashiki Kagaya." Said Amane.

"Right now the disease Affecting our master Kagaya has gotten worse, and he sends his apologies for not being able to attend our meeting." Said Amane.

They talked about Nezuko and how Muzan might change his plans to get her, and that an all out battle is approaching.

Then they started talking about the mark that appeared on Mitsuri and Murichiro during their battle, that's until Naoki interrupted.

"Amane-Sama I would like to say something about this mark." Said Naoki.

"Yes please if you have any information pleas sure" said Amane.

"Ok well I'll just show you." Said Naoki confusing everyone present.

Naoki took off his Blindfold and lifted up his hair an showed them his mark, it looked like a star but it had multiple edges.

(Image)

"I've had this since I was born, there are books back in my home that the previous Star breath wielders wrote about." Said Naoki.

"They said that when one gets the mark they will gain an amp so to speak, as Murichiro said your heart rate increases and your blood flows faster,but there's a huge drawback." Said Naoki.

"When one unlocks the mark they will not live past 25 years of age, because you get some abilities with the mark such as, enhanced physical capabilities, enhanced resistance, and last but not least The Transparent world." Said Naoki.

"The Transparent world allows one to see through the skin of others and you are able to track blood flow, breathing, muscle contractions, and joint movements." Said Naoki.

Naoki put his blindfold back on,the rest of the hashira were the thinking of ways to unlock the mark but were obviously scared because of the curse that comes along with the mark.

"So they ones who have the mark are Naoki, Tanjiro, Mitsuri, and Murichiro, so we need to go through some training." Said Shinobu.

Same thing happened like canon Giyuu tried to leave then an argument broke out and Gyomei clapped his hands together telling everyone to sit down.

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Cliffhanger-kun

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I haven't posted a chapter in a while well my bad I was focusing on my other FF so you sorry again.

Now he still has his system btw it's just he doesn't have anything missing besides his world mission which is to kill Muzan I'll show it next chapter.

If I misspelled anything point it out.

Thanks for reading🫡.