The raise of new king Muzan x Tanjiro

feeling good

Tanjiro grab Muzan and teleported off Tanjiro knew it was time for plan b Tanjiro went back to the infinity castle where the upper -moons were 

Tanjiro: wheres Akaza??

Daki: he's somewhere but He went outside be careful cause it's raining

Tanjiro teleported and then he has seen Akaza sitting  by a lake looking at the moon

Tanjiro: hi Akaza how are you doing?

Akaza: fine

Tanjiro sits down by Akaza and watch the moon and then he looks at Akaza 

Tanjiro: has Muzan ever hurt you before akaza 

Akaza looks down at the ground and said yes

Akaza: I-I must go now Muzan is waiting for m-

Tanjiro: no hes not He takeing an small nap 

Tanjiro's eyes started to glow do you want to get back at Muzan for hurting you or are you just going to keep standing there and let him hurt you like that?

Akaza:..I do not know

4 hours later Akaza 

Akaza felt Muzan calling him so Akaza went to Muzan 

Muzan: so did you kill an piller Akaza

Akaza: no bu-

Muzan: you have failed me Akaza 

Muzan veins start to show and Akaza vomits blood every holding his chest tight Akaza looked up to see Tanjiro looking down at him

Tanjiro: hm look at that 

Tanjiro blood demon art:  sun healing

Akaza wounds healed up 

Akaza: ...s-so... what's the plan to get Muzan back ?

Tanjiro smiled and looked at Akaza and teleported outside so Muzan would not hear the plan

Tanjiro: we are going to kill Muzan family and Turn you back human how does that sound Akaza

Akaza looks at the ground

Akaza: l-let's do.. it then ..let's get this rip-off micheal what he wants

Tanjiro and Akaza jumps from tree to tree and then they found Muzan's wife's house Tanjiro jumps off the tree and he  breaks down the door and then Muzan's wife ran Tanjiro teleported in front of her

Tanjiro: look what we have here

Tanjiro blood demon art: death of the Sun

Muzan wife vomits blood and everything starts to hurt then Tanjiro uses his skeleton-like tails to stab Muzan's wife Akaza finds Muzan's child and then  Akaza grabs the child Akaza looks down at the child and Akaza he do not eat women or children but he knows who does Tanjiro walk with Muzan wife head stuck on his tails 

Akaza: i'm given this child to upper -moon one

Tanjiro snap his finger an Uppermoons was right in front of them 

Akaza: here Kokushibo something you could eat

Kokushibo: this is muzan kid

Tanjiro: no demons can't have kids remember Kokushibo

So Kokushibo eat the child and then Tanjiro went to the main room and put some blood on his fingers and wrote on the wall it said

Payback

Tanjiro laughed to himself he took his wife's head off his tails and went and grab Kokushibo and Akaza and teleported back to the infinity castle Tanjiro sat on the platform  and Akaza Sat down Daki and the others 

When Muzan went to his wife's house

Muzan: no..THIS CAN'T BE HAPPENING

Muzan went back to the Infinity castle 

Muzan hair turns long and white and mouths appeared all over his body and all the upper moons gets scared Tanjiro was not scared  Muzan cut Tanjiro's arms and then his arms grow back fast Tanjiro use his skeleton-like tails to cut Muzan's body in half Muzan eyes widen an Muzan reheal himself Tanjiro sent his skeleton tails and Muzan did the same thing Tanjiro jumped back Muzan missed Tanjiro tails disappeared

Tanjiro blood demon art: nightmare

Muzan froze up and everything turns black and Muzan fell to the ground Muzan looked up to see that man That MONSTER Muzan's body started to tremble the man looked at him and the man took out his sword an held it to Muzan's neck  

Yoriichi:..tsk your weak your nothing...your just a demon you deserve everything that's coming to you..demon...you turn my brother into a demon  I hope you die suffering MONSTER 

and then the nightmare stop

Tanjiro: ...wow Muzan you look so scared...as you tremble in fear I will make you relive that nightmare if you pull some shit like that again

Tanjiro walked out and went to his room the upper moons left Muzan alone by himself

Muzan:..one day tanjiro I will get my power back  and you will be under my control once more