Surprise, I'm alive. Unfortunately that is, enjoy the chapter fml

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The world was not as perfect as Tanjiro had imagined it. He thought that by making everyone demons, it would being the feud between demon slayer and demon vanish; however all that was gained was loneliness.

Tanjiro had only seen his friends once Avery they turned, except from that they all started to rampage without a care in the world. It felt as if they had forgotten about his existence completely.

Which is why Tanjiro ran away.

He ran away from the infinity fortress, he ran away from those who he grew up around.

Little demon Tanjiro didn't have anywhere to go except the master's house of which he abandoned only a week ago.

In there he of corse found his wife and, unexpectedly Yushiro and Lady Tamayo.

"H-how could i help you?... I've done a bad thing" Tanjiro twiddled with fluffy in his arms, eyes glistening with unshed tears. It seemed even as a demon, Tanjiro's childish ways had not changed. Though none of them in the room wanted to admit it... Tanjiro was indeed adorable.

"I cannot make a cure for everyone Tanjiro. Physically it is impossible to change them all back, you must understand that" Tamayo's voice was soothing in a nostalgic sense, sort of what you imagine a mother to sound like. Tanjiro nodded earnestly, taking on board the woman's information.

Tanjiro may have been naive, but he certainly wasn't dumb "yes I understand that, I'm sorry"

Tamayo waved off his apology "it's not your place to apologise dear, Muzan manipulated you. Can't you see that?" It sounded like more of a scolding than comfort, Tanjiro was alarmed at the accusation. His mind clouded with darkness as the demon shook his head with a growl.

"No. That's not true, papa always does what's best for me" he protested, small hands gripping into Fluffy in anger and denial. Yushiro saw he was getting worked up and prepared to protect his lady "calm down.." Yushiro warned, staring at the newly turned demon.

'He must be starving... I must look out for Lady Tamayo. This is dangerous'

"Have you not realised Tanjiro? All those whom you grew up with are only using you" Lady Tamayo had become more persistent, prying to get to the truth.

"Shut up you're lying" Tanjiro growled, trying to keep his hunger in check. After all he was a demon who ate demons, Yushiro and Tamayo looked absolutely delicious right now.

"I'm not lying... just trust us Tanjiro. We'll help you I promise - leave them" the lady demon outstretched her hand as an invite. However a flash of red was all that she received, a sudden stinging pain attacking her palm. "Lady Tamayo!" Yushiro yelled upon seeing a sharp gash on her hand which was yet to heal.

"Stay back!" He yelled again seeing Tanjiro's eyes glowing, his deep red claws dripping with Tamayo's blood. What surprised them most was the action of Tanjiro lustfully licking the blood off his fingers "not good... but not bad either" he commented, referring to the taste.

"What the hell... are you?"

Tanjiro smiled wildly "I refuse to eat human flesh... so a demon's is enough to quench my hunger you see. I'm starving right now, you'll be quite the refreshing snack... after speaking such words about papa and everyone else; I hate you"

Those in the room were taken aback, how his personality changed so quickly.

"Tanjiro... calm down we can work something out"

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"Hurry up! Where is he?!" Muzan roared, starting to get impatient with how long it was taking Inosuke to locate the boy. The blue haired demon trembled and finally pointed to a familiar mansion "h-he's in there!" Inosuke yelled out, falling to his knees due to the overwhelming malice seeping off the demon lord.

The mansion was completely showered in sunlight.

"How could Tanjiro get in there?! That's impossible!" Muzan gritted his teeth in anger, debating as to what he should do.

However all his worry was extinguished when he saw the little demon standing on unharmed on the shadowed decking, his checkered Haori splattered in dark blood - face distraught with anguish.

Muzan wanted to run to the boy. But the sun made it impossible.

"Tanjiro! God you scared the shit out of me!" Kibutsuji yelled to the boy, grabbing his attention in a second. Tanjiro looked at his father figure blankly, mouthing something Muzan himself couldn't hear.

"Tanjiro... why did you run away?" The demon lord sounded confused and worried. Tanjiro looked him in the eyes from afar, his clawed hands squeezing Fluffy tightly.

The boy simply looked at the pale blue sky, his slitted eyes shining with sadness as he took a step into the open "Tanjiro wait don't go-!" A lump formed in Muzan's throat when Tanjiro didn't burn in the sun, his skin was almost glowing - it was a magical sight.

"Papa I don't like this... did you lie to me?" Tanjiro's voice was shaky, fresh blood still dripping from his mouth; the mansion completely silent...

Muzan felt like he was tethered to the ground as he watched Tanjiro freely walk in the sun "t-Tanjiro what are you talking about- you... conquered the sun" the demon lord didn't know what to say.

Tanjiro gritted his teeth and walked closer to the male "you said I'd be happier. That all my friends would-"

"Tanjiro! I can help you just... come here please!" Muzan cut off, outstretching his hand desperately for the younger to take it. Tanjiro shook his head, eyes bloodshot from crying "I-I killed them papa- they were saying you used me... is that true?"

Kibutsuji's ideals clouded "no. That's not true their lying, I raised you Tanjiro. Do you not remember?" The demon lord sounded more distant than before. Tanjiro looked at the ground, small glass like tears falling from his eyes; each of them holding great amounts of sorrow.

"Inosuke"

The newly turned demon who had been kneeling the whole time lifted his head to meet Tanjiro's eyes.

"Are you happy?"

Inosuke clenched his fists, sharp nails digging into his palms "I don't- uh I don't understand" it was obvious that Inosuke was fearful of saying a wrong word in front of kibutsuji Muzan.

"Inosuke. I'm sorry" Tanjiro could smell sadness.

Inosuke slowly took his mask off, revealing his dry blood stained face from a earlier feast.

"Monji-"

"Quiet!" Muzan hissed, his veins popping in anger - making Inosuke quickly seal his mouth and look at the floor in fear again.

"Muzan stop it! You're so mean I hate you!"

'Muzan?... Tanjiro- why'd he call me that?' The man looked at Tanjiro in awe, in fact the statement cty really hurt him 'I hate you'

"Tanjiro please, I uh..." he couldn't get the words out, Muzan knew exactly what he wanted to say but they just wouldn't form. Tanjiro squinted his eyes and turned his cheek "I don't want to see you anymore"

"... Tanjiro stop" Muzan had never done this. But he had nothing to lose now; the thing he loved most was on the verge of walking away. The demon lord used his power and authority for force Tanjiro to submit.

In an instant the boy's body grew cold and stiff, feet feeling like they were imbedded to the ground. Goosebumps pricked Tanjiro's skin as their eyes met in between - Muzan's were glowing more than before now, his black Curley hair turning slightly white at the ends.

"Tanjiro come here. Now"

He wanted to scream and run away, however Tanjiro's throat was closed with fear - fear of seeing the bad side of someone you loved so.

Without reason, Tanjiro's body started to involuntarily move to where Muzan was standing. Muzan really was controlling him, Tanjiro was afraid.

However much as he couldn't control himself, tears never stopped falling from his eyes; sliding down porcelain skin and stained lips.

As soon as Tanjiro was in the shadows of the woods, his whole body was engulfed in Muzan's arms; and thus the demon king released his control upon the boy.

Tanjiro gasped and struggled in his arms, trying to push away but it was no use really "l-let me go! Let me go!" The boy flailed his arms and bit down sharply in Muzan's shoulder in attempts to falter his hold but he showed no reaction.

Instead Muzan closed his eyes and pressed his nose into Tanjiro's mop of burgundy hair; indulging in the Smokey yet sweet aroma of which he loved so.

"Shh Tanjiro I'm sorry. I'm sorry... just please don't leave me" Kibutsuji's arms tightened around the younger's frame, finally Tanjiro stopped struggling.

"I'll change ok? Whatever you want I'll make everyone else do it as well... please don't go I beg of you"

It was strange... the high and mighty demon king was begging a child not to leave him. It seemed Tanjiro really was his weakness.

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- modern era -> Heisei Japan.

Demon's have learnt to survive of only small amounts of blood over many decades. This new rule was enforced by Muzan himself by the command of Tanjiro Kamado. Irresponsible and reckless demons who killed freely were eradicated and killed off.

Therefore the human population rose dramatically and started to progress with technology etc... no demon slayer were left at all, since no one seemed to be dying there just wasn't a need anymore.

Demon's became a thing of myths, the name changed to the popular term: 'vampires'

The feud between demon and human was finally over... with demon's coming out as the theoretical 'winners' this time.

Still Tanjiro is the only demon who remains able to walk in the sun, however by giving small amounts of his blood to some others; they have been able to withstand less harmful rays of sunlight for example the morning or evening.

In addition many had learnt to conceal their demon like looks to fit in with the human's, developing the ability to change the look of their eyes and demon markings.

But many had to improvise quite a lot... Those with mutations found it rather hard. Shinobu always wore large coats in order to hide her wings, Sabito needed to wear hats to hide his ears... Giyuu found a way to cloak his tail because it was simply too but to hide and so on...

More importantly... everyone was happy. Tanjiro's dream had been fulfilled - along with a few extras along the way.

-the end.

———————extra stories!——————

"Mui-chan! Inosuke-kun! Are you ready for our date?" Tanjiro came running up to the two, the sun low in the sky signifying a sunset.

Muichiro smiled softly whereas Inosuke went to ram himself into the boy before being held by his collar by an annoyed Muichiro "will you just try to be quiet for once bore?" He rolled his eyes, clicking his tongue in annoyance.

Inosuke huffed and gave in, fiddling with his long hair which he had tried messily in a low ponytail in his best attempt to 'look smart' as he said.

Over the years, the three had grown considerably close. Though Inosuke and Muichiro also established love for each other, their relationship revolves around the one and only Tanjiro.

"Monjiro! Look what I got you aren't I cool!?" Inosuke shoved a pack of nuts he had bought in a shop in Tanjiro's hands, making the other laugh nervously.

"It's lovely Inosuke-kun thank you" Tanjiro gratefully grabbed the male's arm and linked it with Muichiro also; leaving him in the middle of the two "now let's have some fun shall we? Papa's inviting Ubuyashiki-san over tonight so we can't spend too long!"

Muichiro sighed as they started to browse the little fair "you always leave early" he pouted, making Tanjiro almost die of cuteness "Ahh Mui-chan that face is so cute!" He beamed, making Inosuke yellow as he started to shake Tanjiro's shoulders "monjiro aren't I cute?! I'm cuter than him right!"

Tanjiro giggled and kissed him gently on the cheek "you're both cute! Oh let's get some Pocky" the boy pointed excitedly at a food stall.

"Tanjiro you know me and Inosuke don't like human food" Muichiro sighed, pulling him away from the food "ahh you should learn to tolerate it like how I only drink demon blood! It's not that hard"

Inosuke puffed his chest out "it's harder than it looks! Human food is all blah!" The male made a dramatic gesture of sticking his tongue out whole fake gagging; making even Muichiro subtly chuckle a little.

As the trio continued to laugh amongst themselves, peace blossomed in the air - the content thought that not even death could part them. They quite literally would live an eternity together.

-end of extra story

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Thank you everyone so much for reading this story! Sorry for the Haitus halfway through 😩 I hope you keep with my stories in the future!

-love frogz <3