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SOS he’s in disguise, there’s a demon in disguise..

Summary:

“A-aniki wait! Please I need to tell you-“ “I honestly don’t care. Now leave me be.” Genyas pleads and cries did no use and Sanemi continued to walk further and further away.

Meanwhile Tanjiro just watched from afar, ‘COME ON GENYA YOU CAN DO THIS!’ Tanjrios mind shouted.

“..I… I! I AM A DEMON!” Genya shouted as loud as he could in an attempt to get Sanemi to hear. Sanemi stopped dead in his tracks, an intimidating aura floating around him.

“Your what?”

You will regret that choice Genya.

Notes:

Gore and injuries

 

LISTEN I KNOW THIS IS MY SECOND FIC BUT I CANT STOP THINKING OF THIS AU!! There are two versions of this au I wanna write but you get this one first until I finish this or the other fic ;)

Chapter 1: Beginning

Chapter Text

“Pitiful… how pitiful.” A dark cold voice spoke, piercing red eyes stared at the scene below him. A young boy laid on the ground, he was covered in wounds, dirt and blood, and was barely breathing. 

 

The boy looked up into the red eyes. They were the only thing he could make out, everything else was just blurry. Looking closer at the boy the mysterious man noticed just how severe the wounds were, his legs were completely crushed and disfigured, his stomach was slit open it was a miracle his organs hadn’t fallen out, his left eye was completely crushed, and his right arm was broken to the point the bone was sticking out.

 

If you were to see a scene like that you would assume a monster or a demon would have done that but no, it was humans… humans who the boy was told to trust. “Humans did this to you.. they broke you, beat you.. I can help. I will give you some of my blood. And you will work under me.. as a demon.” If he would have left the boy like this he would have died a slow agonising death. 

 

The young boy could barely understand what the man was saying, black spots appeared in his vision as he heard footsteps begin to come towards him, then he felt a sharp pain in his shoulder, then he blacked out.

 

Hunger.

 

Was all Genya felt. This was a hunger he’s never felt before, his eyes snapped open and he began to observe his surroundings, he seemed to be in an ally. Shakily he stood up, his broken and bruised body had now repaired itself. Though the scars and pain from the experience will never be forgotten.

 

Genya slowly dragged himself out of the ally and was greeted by bustling streets and bright lights, the lights made him hiss in pain as his arms rushed to shield them. 

 

Giving himself a moment to adjust to the bright lights Genya slowly lowered his arms, blinking his eyes a couple times as he did. There were so many people, most dressed in expensive clothes. Genya slowly stepped out the alley, the smell of blood and humans filled his nose as he began to drool. 

 

Food food hungry hungry eat must eat must eat MUST EAT

 

The smell of fresh blood filled his nose, it was so strong and it smelled so good. Turning his head to the left he saw a lady and a child, the lady crouched down in front of the child, holding a cloth stained with red to the sniffling child’s nose. “Shh shh it’s okay baby, it was only a small fall it’s okay mommy’s got you” the lady spoke to the child with so much kindness and love in her voice. Genya stared at the cloth in the lady’s hand, his eyes zeroing on blood on said cloth.

 

Genya slowly began to stumble his way over to them, either not noticing or caring about the looks that were being thrown at him but little did he know there were eyes on him. 

 

Genya stumbled closer to the Mother and child, his now clawed hand slowly reaching forward. Just as he was about to reach the child a river of flowers stopped him, the suddenness causing him to fall backwards.

 

Out of nowhere he saw a woman walk up to him, the woman had deep black hair that was in a nice neat bun, she had faded purple eyes and wore a nice purple kimono. Standing a little ways behind the woman was a man, he had minty green hair with black ends, his eyes were sharp and he looked quite annoyed. 

 

The woman stepped closer until there were only about two feet separating them. “Oh dear… you're quite young, I’d say only about seven or eight…” the women spoke, there was sorrow and kindness laced in her voice, it was almost motherly. The lady crouched down so she was about eye level with him, “it seems you only recently became a demon… good thing we found you or it would have been horrible.” The lady held out her hand, “My name's Tamayo. Do you think you can tell me yours?” Tamayo spoke gently.

 

Genya watched as the woman knelt down in front of him and held out her hand, he could both understand and couldn’t understand what she was saying. Once she held out her hand Genya lunged forward  and clamped his teeth down on it, Tamayo didn’t even flinch. 

 

“Lady tamayo-“ the man behind her was about to rush forward but stopped when Tamayo lifted her free hand, “It’s okay yushiro… I anticipated something like this would happen, besides it’s better me than those two. He must be starving..” Tamayo watched as the young boy desperately bit at her hand, even drinking some of her blood. Using her blood demon art the boy soon passed out from it, it was too strong for him to handle.

 

The boy's eyes grew lidded as he did, soon falling into her hold, Tamayo adjusted him before standing up, cradling him like a mother would with her child. “Kibutsuji you cruel man… it’s okay dear you will be safe with us.. with me.” She smiled at the boy. ‘Wow… even after he bit her Lady tamayo still remains so kind.. she’s so beautiful like that, no one can match her kindness and beauty.’ Yushiro admired from afar. 

 

Tamayo held the boy in her arms. She and yushiro were out on a walk which was something they rarely did due to safety but they both needed it. As they were walking they noticed a very young boy stumble out of an ally covered in dirt and blood. The first thing Tamayo noticed was his eyes, they were black and the iris was yellow, and the tips of his dark hair were also yellow and he was also much paler than a human should be. With all those indicators she decided to step in before anyone would get harmed.

 

“Let’s take him back to the house immediately, Yushiro make sure no one will see us.” As soon as she said the words Yushiro activated his blood demon art and put them on all their heads, disguising them then heading back to the house.

 

Back at the house Tamayo had put Genya in one of the rooms in the basement, laying him gently in a soft futon. She sat beside him on her knees, seeming to observe him, getting lost in her thoughts along the way. “What are you going to do with him?” Yushiros voice pulled her out from her thoughts, “I’m not sure yet.. but all I know is that I am going to rid Kibutsujis cells from him. So he can have his memories, and won’t be under control…” she stated, not even turning around to face Yushiro.

 

“Won't it be difficult? I’m aware you managed to do the same with your own body but someone else’s-“ Yushrio quiestioned, he had lots of faith in Tamayo but this seemed difficult for someone like her to handle. “I’m aware, and I accept those challenges. But I won’t give up, for the sake of this child and others, I will get a sample of his blood and I  can work from there. You will mostly be looking after him while I do so..” her voice was calm but on the inside she was very nervous. ‘Let’s do this.’