Damn, this chapter took me hours- its my longest one yet and it was so hard to writee 😭😭 why are fighting scenes so hard Jdksbdlabdkssj- hope you guys enjoy it anyway so my pain will not be in vain 😔

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Kamado, I must admit that I've wronged both you and your friend. Thank you both for coming visit Kyojuro, I see that you guys and Senjuro have been corresponding for at least four months, that boy has grown so much. I am embarrassed by my behavior when we first met, and as I wallowed in self-pity over my own incompetence, my wife became ill and died, so, like the fool I am, I pulled away and drowned myself in sake. Kyojuro proved a much better son than I have been, even when I stopped teaching him he read the guide to flame breathing and even with only three volumes, he made himself into a hashira! Ruka's, his mother blood is strong in both him and Senjuro, the two of them are wonderful boys. And Kamado, you have an even greater power, like you those destined to wield sun breathing, are born with a red mark on their forehead, so I'm certain that you....

And Y/N, about you-

The rest of the contents of the letter were destined to Y/N, Tanjiro decided against reading it since he wanted to respect her privacy, but later, he would regret not having reading its contents sooner.

But enough of you, since by now, you are still hanging in that ceiling, trapped in your own nightmares.

Now. It's his time. Tanjiro Kamado.

'No...Shinjuro, I wasn't born with this mark.' Tanjiro grip on his sword tightened, as the red still slowly consumed the white part of his eyes. 'I got it protecting my little brother from a brazier he knocked over. And I got this look when I got wounded in the final selection. I heard my father was born with a faint mark on his forehead, but not me. I'm definitely...not a chosen one.... But, even if I... Don't have the powers of a chosen one.... There are times in life where you simply can't back down!'

As Daki walked away from him, she suddenly felt herself being yanked back, exasperatedly looking behind her to see Tanjiro grabbing her leg with a scary expression on his face.

He quickly made a slash in the direction of her neck, she bent down to avoid the attack and jumped some meters away from him.

Blood was dripping from his eyes, as he silently said :

"A lost life can never return. Its gone forever."

Daki looked down at her leg, her eyebrows furrowed at the sight of it completely crushed at the same part he grabbed before. That's an insane grip strength for a human.

"A demon's body isn't made of human flesh. Why do you steal people lives? Why do you ruin then?"

'These words... I've heard them before' Daki thought as she slowly got up to look at Tanjiro, his image changing to a man with long red hair that she has never seen before. 'Who is that? I don't know him!'

Both his and Tanjiro images kept overlapping each other, as he continued to speak with an eerie voice "Don't you see? How could you forget?"

The sight of Y/N's E/C colored eyes made Daki flinch, as her image also appeared alongside the red-haired man, she looked way younger, almost like a child as she held his hand. "Pitiful...pitiful demons." Her eyes were glossy, her image transparent as she shined in a bright white light like a ghost. It looked exactly like Y/N...but...at the same time, it didn't felt like it was her.

'This isn't me, these aren't my memories! They're in my blood! Memories from lord Kibutsuji blood! Who is this man? How does his lordship know Y/N?!'

'If he...if he takes Y/N...then what will he do her? I can feel it in his blood, the anger he feels for that man! If he hates that man so much, then...what will happen to Y/N when she's in his grasp? No...nonononononono now is not the time to have useless thoughts! A human life has no value! His lordship is free to do whatever he wants with a valueless human's life!'

"Even you were once human, weren't you? Surely, you struggled against pain and suffering, you must have shed tears."

Responding to his affirmation, Daki punched the floor, making a hole in it as she once again mockingly smiled at him "Blah blah blah don't you ever stop you prattling? I don't remember such things! the past is the past, I'm a demon now, that's all that matters. We don't get old. We don't need money to eat. We don't get sick, and we never die. We never lose anything! We never fade, we are eternally young and beautiful! And we're strong! Demons can do anything we want!"

"... So, you say. But I've heard enough" He sprints in her direction at a scary speed.

Blood demon art : Eight layered obi slash.

Her obi aligned with each other in a web pattern, almost already insuring her win, but Tanjiro sword easily cut through the fabric like it was butter.

Hinokami kagura : Burning bones summer sun

The obi was instantly set in fire and destroyed, Tanjiro eyes filled with bloodlust still looked directly at her, never leaving their objective.

'Such pain! The wound burns, and I can't regenerate! But I struck him deep! Usually, my victims fall to pieces if they keep moving after a blow like that! Plus my obi is tougher than ever before, how can he cut through it? My hands are shaking. Is this me? Or lord Muzan?

He kept continually attacking her, his blade still bursting into flames as she desperately used her obi to block the merciless attacks.

'He's faster than before! Strange. So strange! Can't he feel pain? Isn't he human?'

Tanjiro managed to get close enough to her, his sword making a clean cut in her neck.

"Nice try little pest..." Her obi was holding her head to her body, almost like a long and wobble neck. "My head won't be taken by the likes of you!"

Tanjiro didn't respond as he kept trying to make the sword cut through her neck...obi? Neck-obi?

'When I strike the cloth it stretches! I can't cut something with so much give!' Tanjiro thought as he jumped back, Daki making several obi go into his direction.

'More obi! Thirteen of them! I can't dodge them all!....except...they are moving slowly.....really slowly.'

He started to quickly defend himself from the continuous obi attacks. "I won't let you touch my neck again! You got luck last time!"

In response, Tanjiro used the side of his sword to parry all of the obi simultaneously, sinking his sword on them and sticking them to the floor.

"Do you think you've stopped me? I'll blow you away!"

She tried to yank back her obi, no effect.

'He wants the obi puled taut, so they can't flex! But I can move then with a thought, and he's so far away from me...'

The distance seemed not to be a problem to Tanjiro, as he flipped above the obi and almost flied in her direction with his bloodied eyes still set on killing her.

'Huh...can he cut me? He's so fast!'

'It's simple! I just need to finish my follow-through before she flexes! This time I can do it!'

Hanako's voice suddenly ringed in his ears "Big brother! Breathe! Please!"

He fell on his knees one second away from successfully cutting her neck, violently coughing and gasping for air.

In response, Daki looked down at him with no expression at all, just cold eyes as she said in such a robotic way that it was almost like she was a student in a play she was obligated to participate in. "You humans are so miserable. No matter how hard you try, this is all you've got. How unfortunate. Your wounds will heal very slowly, but don't worry about that, you won't have time to notice because I'm about to cut off your head-"

Before she could even attack the fallen Tanjiro, a harsh kick was given to her head, her body being trowed to the edge of the ceiling of the random house they were fighting in.

Nezuko shielded her wounded brother, loud angry gasps coming muffled from her.

Daki was shaking in anger as half of her head was blow off. "I can't believe it! I can't believe you did that! Why did you do that?! Wait...you...it's you! You're the one his lordship was talking about!"

The memories of her lord not so long stroking her head as he gave the orders to eliminate her came back to her.

Funny how she would consider it to be a fond memory not so long ago, but now...it just seemed like a terrible joke .

After all, when has he ever come to see her when it wasn't when he needed to order her to do something?

She shook her head. She has to stop having these thoughts.

"I'll kill you. As I was ordered to."

Nezuko tried to once again kick her, her obi quickly cutting her leg in response and another one attacked her at the same, which she tried to defend with her arm only for it to be cut too.

The obi then harshly slapped against her stomach, throwing her of the building and making her body hit against another house.

Daki then silently jumped from the ceiling and landed on the floor, slowly walking towards the demon girl under the wreckage, ready to finish her off.

However, Nezuko stood back on her feet, her severed leg and arm already back.

'She's regenerating as quickly as an upper moon! Even though she didn't eat any humans!'

A loud scream came out of her throat, her muzzle falling away as she suddenly got bigger to the size of an adult woman, a single and long horn appeared in the side of her forehead together with leafs patterns all around her body.

'What's this feeling? Her menacing aura changed'

Nezuko quickly ran to her, once again trying to kick her head, Daki cutting her leg with her obi to defend herself from the attack in response.

'Another kick! She still has only one attack!'

She was ready to cut off her head with her obi, but she was suddenly kicked down to the ground, as Nezuko was now with her feet impaled on her back, keeping her stuck in the floor.

'How can she have stabbed me with the same leg I cut a second ago?! Did she regenerate it instantly? Impossible! That would make her healing abilities even greater than mine!'

A creepy smile appeared on Nezuko's face.

"Let go of me! You brat!"

Daki exclaimed, making her obi cutting her limbs in several parts, however, each one of her severed members grabbed one of her obi, making her unable to get up.

Her blood solidified, she used the members connected to her body by the solidified blood to stop her. Daki didn't have time to be surprised at her achievement, since Nezuko's blood who had previously splashed on her started to catch on fire, making her let out gruesome screams of pain.

Nezuko detached parts came back together, as she once again harshly stepped on her head, smashing it against the floor.

A sadistic smile appeared on her face, as she started to stomp her over and over again, she then kicks her stomach and throws her through the walls of one of the nearby houses, slowly stepping inside the construction to see a human girl standing there with a fearful expression, her arm was hurt and blood was dripping from her cut.

Nezuko didn't even spare a second to sprint in the human direction, her mouth open ready to take a bite.

One seconds before she could get a taste of the blood, Tanjiro suddenly appeared behind her, using his sword against her mouth as she violently bit the blade.

"Don't do it Nezuko! Fight the hunger! Fight it! You can do it! Nezuko!"

She started to harshly trash around, making him hit against the walls and roll on the floor.

"Forgive me! I'm sorry I made you fight! I can tell how much you've been hurt! I'm so sorry! But I'm here now! Your big brother is here to protect you! You're safe! Calm down, Nezuko! Go to sleep and heal!"

He held his sister like his life depended on it (which is not far from the truth) Nezuko hastily jumped with him still in her back, making both of them hit against the ceiling and end up in the second floor of the house.

"KYAAAA! Look out! They are coming from under the floor!" The couple screamed as they say the two.

"Nezuko! Please sleep!"

The wall was suddenly blow over, as Daki with her face half burned entered the room.

"I can't believe you were able to do that, crazy! And you even can use a blood demon art, a weird blood demon art who only hurts demons, even for me, it will take a while to heal this! It's really irritating!"

Tanjiro squeezed his eyes shut as he still held to his trashing around demon sister.

'I have to protect the innocent bystanders! Think! Think and move! If she attacks, the whole building will fall off! Is it safe to let Nezuko go?! I have to save the people first!'

Was there really any hope? His sister was completely out of control and he couldn't let go of her, and also, Daki was about to attack them and make the entire building go down, which would not only kill both of them, but also the civilians who live in here.

If he let go of his sister, people would die.

But if he didn't let go, people would die too.

Tears formed in the corners of his eyes, once again, he couldn't make a decision when it mattered the most, however, a sweet voice that he didn't even notice how much he missed took him out of desperation.

"Hey? Hey! Open your eye's sunshine, now is not the time despair!"

"Huh?"

He quickly opened his eyes, instantly seeing Y/N face. She was crouching in front of him with her arms resting in her knees, her head was slightly tilted as she looked back at his eyes with a gentle smile.