The Good Demon [KNY]

Galing kay Carmelizedunipn

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Akai Suisei was one of the first people Muzan changed. The young boy wanted to grow strong and proud like his... Higit pa

Part 1: The Night Everything Changed
Part 2: The Start of a Thousand Year Journey
Part 3: Cut short
Part 4: F@ck, This is Boring
Part 5: Freedom
Part 6: The Demon Slayers
Part 7: Friends or Enemies?
Part 8: Another Life
Part 9: Training
Part 10: The First Hunt (1/2)
Part 11: The First Hunt (2/2)
Part 12: We Aren't
Part 13: Advice from the Flame Pillar
The Red Comet's Bio
Part 14: Mount Natagumo
Part 15: Spider Fight
Part 16: The Boar and Sun
Part 17: Bad Memories
Valentines Day
Part 18: Mental and Physical Pain
Part 19: The Sun Breather
Part 20: Target Practice
Part 21: The Infinity Train
Part 22: What Do I Have to do Again?
Part 23: Strike Back
Part 24: How Do You Fight a Train?
Part 25: Fight Fire With Fire
Part 26: It's Cold
Part 27: Morning Training With an Unlikely Opponent
Part 27.5:
Part 28: Lions and Toys
Part 28.5: Misfortune
Part 29: The Flambouyant Jackass
Part 30: Rest and Preparation
Part 31: Improv and Infiltration
Art: Akai Drinking Angrily
Part 32: Search and Sanitation
Part 33: Attraction and Deception
Bonus Part: Apologies
Part 34: Tied Up
Part 35: Not all There
Update:
Part 36: The Rage of The Sun
Part 37: Rage of The Red Comet
Bonus Part: Roommates
Imma Be Real With You...
Update/new OC?
Part 38: The Siblings (1/3)
Part 39: The Siblings (2/3)
Part 40: The Siblings (3/3)
Part 41: Breakdown
Part 41.5: Good Morning
Part 42: Self Harm
Part 43: Self Improvement
Bonus Part: Life After Dark
Pat 44: End of Training
Part 45: A New Makeover
Imma Just Ask it Now:
Bio of The Twin Comets
Part 46: An Invitation
Part 47: Hanging Out
Part 48: Tokito Muichiro Doesn't Give a Shit
Part 49: Tokito Muichiro Still Doesn't Give a Shit
Part 50: Fighting the Mist Pillar
Part 50.5: The Girl in The Hot spring (14+?)
Part 51: A Revelation
Part 52: A Letter From Your Father
Part 53: Battle With The Multiplying Demon
Part 54: Burning Resolve (1/4)
CLOSED! Halloween Event Voting
Halloween Vote Results: Pretty Dissapointed TBH
Special Part: Halloween Night (Modern AU)
Part 55: Burning Resolve (2/4)
Part 56: Burning Reasolve (3/4)
Part 57: Burning Resolve (4/4)
Part 58: The Coward's Bitter End
Part 59: Everything is Okay
Part 60: One More Mission
Part 61: Clashing Demons
Part 62: The Battle on The Mountain Continues
Voting: Vote For a Lemon
Shinobu X Giyu Lemon
Teaser:
Part 63: Raging Soul
TEASER:
Part 64: Burning Body
TEASER:
I Am Still Alive.
The Art
Part 66: His Return...
Part 67: The Truth
Part 68: Regrouping
Part 69: Warm-Up
Part 70: Tenacity
Part 71: The Festival
Part 72: You Promised, Uncle...
Part 73: Change of Plans
Part 74: Come on, then.
Part 75: Surprises
Part 76: Power
Part 77: Hunger
Part 78: A Promise
Part 79: The Origin (1/2)
Part 80: The Origin (2/2)
Part 80.5: You Never Asked
Akai Suisei: Full Bio
Alternate History: Fear The Red Comet
Part 81: Hamon
Part 81.5: Medicine
Part 82: Poison
Part 83: Whooping
84: Tension
Survey:
Part 85: Heat
Part 86: Tantrum
Part 87: Steam
Part 88: All I Want
Part 87.5: Squeaky Clean
Part 89: Regrets
Part 90: Warmth
Part 91: Embrace

Part 65: The Demonized Slayer

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Galing kay Carmelizedunipn

Lefty's breath grew shallow as his body cooled. His body was beyond torn up, internally as well as externally. And he felt as if the entire earth sat on his back.

"Yo." Righty announced his presence. 

Lefty looked up from the pile of ash he was laying in and groaned. "Let me die..."

"I would, but Upper Moon One is right there." Righty said, referring to Kokushibo, who was impatiently waiting some ways to their side.

In a flash, Lefty was up. He extended his right index finger and slit his own carotid (neck) artery, proceeding to swallow the seventeen-foot-long blood tentacle that came out of his neck. He sighed, stretching. His body might never be at one hundred percent after pouring all that power into Akaza, but he was at least healed enough to fight.

"Why isn't he coming at us?" Lefty asked.

"He wants to fight us both at once..." Righty whispered in Lefty's ear. Lefty paused, and let out a small chuckle.

"His funeral..." Lefty eyes let out an ominous red glow as he spoke.

"Are you done?" Kokushibo said in an icy tone.

"Yea, yea. Hold on." Lefty rolled his arms and yawned. 

"Good Demon. Red Comet. Show me a real battle." Kokushibo issued his challenge to the demon brothers. 

The brothers smirked.

"I think you misunderstand, Kokushibo."

In an instant, Righty had closed the distance and gripped the Upper Moon's sword with his two front fingers.

"How did he-" But Kokushibo's thoughts were cut off.

"This isn't going to be a fight..."

Righty's arm lit up with the golden ripple, flowing through his arm and into Kokushibo's blade. The ripple made contact with and sizzled the Upper Moon's hands. He made an effort to move his blade, but the Good Demon held his ground.

Kokushibo stared the Good Demon down, not showing any signs of pain to his opponent. Even as his hands sizzled as the golden ripple burned it.

FWOOSH!!!

Kokushibo tilted his head to the side, avoiding a flaming sideways kick from Lefty. The flames licked Kokushibo's cheek as the kick went by in a fraction of a blink of an eye. Righty took advantage of his tilted head and threw a kick up at it, nailing Kokushibo in the upper area of his chin. Kokushibo went flying, but Righty kept his iron grip on the blade; flying with him. Lefty came in from behind and planted a devastating punch into the Upper Moon's side, sending him flying sideways. The combo continued, with Lefty and Righty taking turns planting powerful blows into Kokushibo. 

"Enough." Kokushibo gripped his sword and twisted it violently, breaking Righty's hold on the blade. 

"Shit-" Righty was cut off as Kokushibo slashed him 3 times, splitting him into pieces. 

Kokushibo shook the blood from his blade, before dodging a dropkick from Lefty, casually lifting his blade to split him in two lengthwise. 

"Well, that was embarrassing." Lefty's halves chuckled as they came back together.  

"Tell me about it." Went one of Righty's chunks as his bits reconvened.

"What a disgrace." Kokushibo uttered. "All this power given to two fools."

"Okay, to be fair, we're two halves of one fool." Lefty said.

Despite their casual demeanor, inside their minds was a cacophony of different thoughts. All trying to come up with a plan to take down the Upper Moon.

"I'll be reduced to paste if I try that grabby shit again. Maybe if I could land a bite on him... No, we won't even be able to land a blow if he has his guard up like that. What if... I bit myself?" Righty thought. He took in a deep breath and bit down hard on his tongue, planting his canine deep into his flesh. "Blood Demon Art: Forging Fang!" Righty activated his art and jumped to his feet.

Kokushibo burst forward and unsheathed his blade, letting it dig into the Good Demon.

Wait, dig in? And not slice through him?

"What?"  Kokushibo hissed. His blade had stopped an inch into Righty's next. 

"Hemon Ert Everushion:" Righty made a muffled growl, still biting down on his tongue. "Merphing Cometh!!!" 

Righty's neck had morphed into pure Nichiren, stopping Kokushibo's blade dead in its tracks. 

"Impossible!" Kokushibo spat and delivered a dozen strikes into Righty's body. With his entire body morphed into Nichirin, Righty ate every attack and rushed forward, pushing through every blow and closing the distance between him and the Upper Moon. Righty wound up an red-hot iron fist and swung with all his might. Kokushibo blocked the blow with his sword, flying back into the mountainside from the force of it. 

Righty took his chance and let go of his tongue, taking the chance to take in a few gulps of air. He was quick to bite back down on his tongue and reactivate his art when Kokushibo came flying back from the forest. 

Righty morphed his arms into Nichiren blades and readied to counter. Kokushibo held his blade in his sheath, going for a quickdraw.

"C'm et me!!!" Righty roared.

Kokushibou drew his sword and swung, but it was nowhere near where Righty was. Righty froze, only for his chest to be struck with s devastating blow, leaving a giant cut in his Nichiren form. Righty clenched his teeth (and bit the crap out of his tongue) and raised his blade-arms to guard. Kokushibo let out several more strikes into the open air, somehow damaging Righty from far away.

"I gotchu bro!!!" Lefty yelled and went to attack, but Kokushibo swung his sword in his direction and sliced him into another dozen pieces. "I don't gotcha..." Lefty muttered and collapsed into a pile of meat. "I'm so tired..." Lefty whimpered into the dirt. Kokushibo turned back to Righty and threw more attacks at him. Righty continued to block, trying to understand the attack.

"I see it!!!" Righty blocked one more blow and burst forward. He had barely glimpsed Kokushibo's technique. Whenever he swing his sword, a crescent-shaped projectile flew out from the attack. Each and every one of his strikes were deadly at any range. "This must be his Demon Art, I gotta close the distance!!!"  Righty thought and rushed towards his enemy. He jumped into the air spun, morphing all four of his limbs into blades and turning himself into a giant shuriken. Kokushibo held his ground and let out a flurry of attacks, beating back the whirlwind of Nichiren blades. Despite his own speed and power, Kokushibo was being pushed back, his shoes digging into the dirt. 

And then, it gave way. 

Righty heated his limbs, giving them just enough power to break Kokushibo's blade. In an instant, Righty tore through Kokushibo, splitting open his shoulder and tearing the left side of his chest cavity open. Righty flew by and landed on his feet, steam billowing through the gaps between his tongue and teeth. Both of them fell to a knee, severely damaged by their respective attacks. Righty powered through his fatigue and rushed down his opponent. Swinging straight for the Upper Moon's neck. Kokushibo held his cold, dead gaze and charged forward as well. In a flash, both passed each other. A moment of silence passed, before Kokuhsibo's neck exploded with a spray of black blood. Righty chuckled, before his chest exploded at the damage of the hundred blows he had taken in that fraction of a second. Righty clutched his chest. Despite nearly all of it being converted to pure Nichirin, the blows still tore apart the metal and opened a gash in his chest cavity.

Righty choked as he surveyed the damage. He slowly turned to face Kokushibo, only to be rammed straight through by the Upper Moon's sword. Instantly, his heart was shredded by the blade. Righty vomitted blood onto Kokushibo's haori, and even more blood spilled from the wound on his chest. Kokushibo held his cold stare right into Righty's eyes as he ripped the blade from his chest and swung, beheading him.

"What..." Lefty looked up from the ground. Righty's corpse didn't turn to ash, but he could feel his brother's heartbeat slow.

Then stop completely.

...

...

...

"RAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAH!!!!!!!" 

----------

Story Notes: 

Demon Art Evolution: Morphing Comet

It's quite simple when you think about it. Righty uses his Forging Fang, but bites and holds onto his own tongue. That way, his body can constantly change to whatever material or shape he needs. But he's an idiot, so the uses are understandably limited to whatever he can think of at the moment.

Pros: His body can be morphed into any and all shapes to make unique weapons and attacks, along with providing armor by morphing parts of his body into a durable material. 

Cons: The fact that his tongue is covering part of his mouth means that his breathing is somewhat limited (try sticking your tongue out then biting on it, you'll see what I mean). He is unable to use the golden ripple in this form, and his use of the Breath of The Cosmos is also somewhat limited in this form. Also, he speaks in mumbles due to his tongue being in the way.

A/n: Yikes. Righty's dead (maybe, maybe not ;D). Wonder how Lefty feels about that? Also, woooooow. It's been a while huh?

I wanted to make an apology drawing for all the darn time it took to make this part. Feel free to pick from these requests and I'll add them to the finished product:

-One of the demon bros making an ahegao face

-One of the demon bros with cat ears

-Both


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