(I do not own the Demon Slayer)
In this Story Tanjiro is born with a mark like Yorrichi and Tanjiro has mastered the Sun breathing and he's powerful as Yorrichi and Tanjiro will be related to Yorrichi and Kokushibo and Tanjiro and Yorrichi Tsugikuni...
(Hello there Thank you for reading my story and I really appreciate it and I hope you enjoy this chapter and i will skip the Rengoku Vs Akaza fight but it's still be like in the show but the outcome isn't)
Tanjiro(in his mind): An Uppermoon? He's not as powerful as Doma...
Without any hesitation Akaza runs towards Tanjiro and aimed a punch at him but Rengoku unsheathed his sword.
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Rengoku slice Akaza's arm in half and Akaza backs away and did a back flip and Heald his arm and lick his blood.
Akaza: Nice Blade you got there.
Rengoku: Why did you attack Young-Tsugikuni.
Akaza: Oh so his last name is Tsugikuni? Good to know and i attack him cause Master wants him dead.
Rengoku(in his mind): Muzan really wants Tanjiro dead...
Akaza(In his mind): Hmm He has a great battle spirit. He'd make a fine Demon.
Akaza: You have a great battle spirit and it's quite polished why don't you become a Demon and leave those weaklings and would you mind telling me your name?
Rengoku: My name is Kyojuro Rengoku The Flame Hashira.
Akaza: And my name is Akaza. Kyojuro I have a proposal become a Demon.
Rengoku: I refused your proposal and I will never become a Demon.
Akaza: Well than I just have to-.
Akaza froze as he sees Tanjiro's battle spirit is very strong and powerful as he begins to tremble and the dou notice it.
Akaza: Holy Sh#t! You're battle spirit! It's so strong! And powerful! It's a very sharp knife ready to cut anything on its path!!!
Rengoku's eyes wide and looks at Tanjiro and sees his Battle spirit.
Rengoku(in his mind): Young-Tsugikuni's battle is really strong how come i didn't know it before?
Akaza than pointed at Tanjiro.
Akaza: Boy! I have a proposal become a Demon and leave those weaklings behind!
Tanjiro only looks at him.
Tanjiro: I refused with your proposal I will not become a Demon after a Demon killed my Family...
Akaza: To bad...
Akaza's feet dug down in the ground.
Akaza: I'll just have to kill you both than!!
Akaza than dash at them leaving a crack in the ground and Tanjiro was about to unsheathed his blade but Rengoku motion him to stop and Tanjiro quickly stops.
Rengoku: You're Fight is with me! Not him!
Akaza: Very well than! Get ready!
They both dash at each other and attack each other and Rengoku blocks his attacks with his blade. (Just like what I said I will skip the fight)