On Mount Natagumo, several years prior…
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Two demon girls had begun to run away with their hands holding each other. Not showing signs of letting go. As they ran, one of the girls remembered the conversation they had just hours prior to their sudden departure.
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The day before…
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"Huh?" The demon girl responded as she looked at her new family member. Her appearance looked like that of her younger brother, completely milky pale, with snow white hair. Her eyes are a pure white with only her silvery pupils separating them from her sclera. Her face also possess several red dot-like patters above and below her eyes. "What do you mean run away?"
"When Rui gave me his blood, I saw a glimpse into his memories." This demon said as she looked at her new "family member" who shared a similar appearance with her as did the rest of the family.
"What memory?" The new sister asked.
"A human woman helped him gain his strength back." The eldest sister answered. "When he was human."
"His strength back. But wasn't he always a demon?" The youngest sister asked.
"No, we demons are created by that man." The eldest answered. "But maybe that woman had a family, and if we find that family we could be safe. Safe from Rui, from the demon slayers. From everything."
"I don't know." The youngest answered they only way she could at the moment.
"I know it's a long shot, but Rui betrayed that woman. I think it's time, as his 'family', to pay back the amount of sweat and time Rui took from her." As the eldest said this, she looked at her only true family member in her eyes. Seeing the fire of hope igniting, the youngest nodded in agreement.
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A day later…
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As the two sisters continued to run, they saw the forest exit in sight, but stopped in their place. Seeing a young, small boy with the same appearance as the two sisters, his skin white with red dots covering his face. He also had light pink hair that resembled spider legs.
As they noticed him, they tried to turn the other way only for both to get caught in the boy's webs. Now hanging above the ground struggling to free themselves, the young boy walked up to the both of them.
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"You two are such a disappointment. Now you'll have to pay the price." The boy answered.
"Like your one to talk, Rui!" The eldest sister spoke, causing Rui to turn his attention towards her.
"What do you mean, Big Sis?" Rui said his expressionless face remaining the same.
"You were the disappointment when you betrayed the woman who helped you walk again!" She yelled as tears began to form in her eyes, and hearing her statement caused Rui's expression to tighten. "She sacrificed her time to make sure you lived a fulfilling life and you throw it away by accepting-" The eldest sister began to choke when the wires around her neck began tightening.
"Shut up. Don't you dare bring up that weak woman again." Rui said looking up with the face of madness.
"Wow, weak woman. I won't argue with that, but you could've been a bit nicer." A woman's voice spoke up revealing a presence none of the demon's ever felt.
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As all three demons looked up, Rui was the first to react and sent wires to try and grab the woman, only for her to disappear from sight. Then hearing the sound of a leaf falling towards the ground, Rui then heard a voice speak.
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"Breath of Balance, Fourth Form: The Coming of a New Season." The woman spoke in a silent voice, only for her voice to be followed by the sounds of bodies hitting the ground. "Head for the forest exit, I'll follow behind."
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Not even hesitating, the two sister's ran for the end of the forest, but Rui wouldn't allow it. Or at least he wouldn't have. But he noticed himself caught in his own wires. Stunned, he looked at the woman, whom he knew he betrayed so badly.
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"Why don't you just kill me?" Rui asked.
"Because I can't. And I won't." The woman answered, her black hair flowing slightly in the wind. "You broke my heart, even thought I told you that you would be severing something important if you spoke to that man. And now, you blame me for it. Goodbye, Rui." The woman then disappeared without a trace.
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Angered by her appearance and her words, knowing them to be true, Rui yelled out.
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"You're right. I won't ever forgive you. What I did was right, and you wanted to prevent me from grabbing this power! I hate you! I hate you, Lily!" Even though Rui yelled to the top of his lungs, he realized that his voice never reach Lily's ears.
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At the end of the forest…
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Worried for their savior, both demons waited for her arrival. After several minutes, they noticed a figure walking out, looking down while her bangs covered her eyes. Walking past them, Lily just motioned them to follow. Worried for her sake, the two demons stayed by her side, walking in silence.
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Several hours later, in an empty hut…
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As a fire crackled in the corner of the small room, dropping her blood in a tiny porcelain cup, Lily handed the two cups filled with warm tea to the two siblings. As they accepted they looked at the cups before looking at each other. Then nodding in agreement, they slowly drank the tea expecting to feel the same pain they felt when they drank Rui's blood. But to much of their surprise, they felt their bodies being enclosed in a slow, warming heat. Feeling that warmth allowed the two girls to finally relax. Seeing this, Lily smiled sadly at the sight. Then standing up, Lily walked to a small door, and opened, pulling out two sets of kimonos.
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"What are those for?" The eldest asked.
"A change of clothes." Lily answered. "Come and get changed, wouldn't want you to remember the pain you've had to endure all this time."
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Accepting her offer, the two demon girls looked at the designs of the kimonos. One kimono had a pure black base with a flower-like pattern starting from the right shoulder wrapping itself around to the left waist, until it slithered down to the right foot. It also had short sleeves that reached until the elbow. The second kimono was a bit shorter than the first, with its base reaching just above the knees and its sleeves reaching just below the shoulders. Having a pure light-pink base, with a mountain painting that wrapped itself around the end of the kimono just below the waist. Seeing these clothes, each sister took one. The eldest taking the light-pink, while the youngest taking the pure black. After changing into their clothes, the youngest of the siblings, began to cover her mouth. Seeing this, Lily spoke up.
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"It's kicking in that quickly, I'm surprised." As Lily spoke, she placed a bucket in front of the young sister, to which she began to throw up a black substance.
"What's happening to her?" The eldest sister said worried for her younger sister's health.
"She's simply rejecting Kibutsuji's blood. That's all." Lily answered, only to see a shocked face appearing on the eldest sister's face. "What's wrong?"
"You said that man's name. How?" The eldest asked.
"I removed his cells from my body just as your sister is doing." Lily stated as she noticed the youngest beginning to cough after a few seconds of throwing up the black substance. "A few more drinks should remove his cells completely, just don't say his name for the time being."
"A-alright." The youngest answered through her rasped breathing.
As the night came close to an end, the two sister continued to drink the concoctions that Lily had provided them, and after a few days of drinking such a concoction, Lily nodded to them, telling them that Kibutsuji's cell have all been eradicated. Hearing this, the two girls noticed their appearance. While they still had the milky white skin, they noticed the white beginning to fade just slightly into a pale color. As well as the red dots on their face had all but faded completely
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"So, I've ben avoiding this question for some time, but now is a good time as ever." Lily spoke as she noticed the two girls changing their hair styles. "Why come to me?"
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Unsure on how to answer the question, the two girls remained silent. After a few minutes of that silence, the youngest spoke up.
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"My sister said that she saw into Rui's memories. How you helped him get stronger. We were wondering if you could help us get stronger."
"Is that true?" Lily turned her attention to the eldest of the two.
"Yes." The eldest answered.
"Normally, when it comes to Kibutsuji's blood entering someone else, they tend to see his memories, no one else." Lily answered before coming to a conclusion. "You must have reached a state that no one, not even I have been able to reach."
"What state?" The eldest asked.
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Expecting an answer, Lily just rose up and grabbed two futons.
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"It's late. Get some rest. You're going to need it." Lily answered as she blew out the fire.
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Laying down in the futons on the cold, wooden floor, both sisters looked up toward the ceiling. They remained silent as they heard the shallow breathing of the woman who had saved them. As the youngest turned her attention towards her, she noticed that Lily was asleep with her knees up against her chest, with her arms wrapped around her legs. Seeing this, she got up and walked up toward her. Then sitting down next to her, she placed the blanket around Lily and herself, and slept next to her. Seeing this as well, the eldest decided to do the same, just on the opposite side of Lily.
Feeling the warmth of two children on each side of her, caused a small smile to show itself on Lily's face. For the first time, Lily felt the comfort of a family. A feeling she had never felt in forever.
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9 Years Later…
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Swinging her legs on top of a rooftop in the quiet town in the northwest, she began to hum a melody created by herself. As she continued to hum, she began swaying her body back and forth, her hair had become visible due to the light of the full moon shining so warmly on it. While the entirety of the hair was white, random strands were black while being held in a ponytail, began to follow the girl's motions. She also wore a black kimono with a flower-like pattern starting from the right shoulder wrapping itself around to the left waist, until it slithered down to the right foot. As she then opened her eyes, she looked up with a bright smile on her face.
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"Those demon slayers are just about done with their entrance exam, right Suzuha?" The girl asked another girl who was standing and looking down on the town.
"You're probably right, Koharu." Suzuha answered.
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As Koharu turned her attention to Suzuha, she took note of her kimono. It having a pure light-pink base, with a mountain painting that wrapped itself around the end of the kimono just below the waist. Smiling at the sight, Suzuha looked at Koharu and spoke up.
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"What's up?" Suzuha asked.
"Oh, nothing just remembering when Lily gave these to us. We really took care of these clothes, huh?" Koharu answered.
"Of course, we'd take care of them. They're a precious gift-" Suzuha cut herself off. "A demons on the prowl."
"Well, it looks like we'll have to work faster than normal, huh?" Koharu asked while stretching her arms out.
"Just long enough until they send a demon slayer, and remember…" Suzuha was about to finish only for Koharu to chime in.
"I know, if I see blood, hold back." Koharu answered as she twirled. "Who do you take me for?" As she said this, she fell towards the empty street only to land on her feet. "Hurry up slow poke."
"That girl." Even though Suzuha said that, a smile crept onto her face, as she began to follow her sister.