"[name], run for your life. Live a normal life, forget about us," her mother whispered as she ushered [name] away from the danger lurking about their territory. [name] was part of a shinobi clan, and was trained to become the successor. "Poor child, come and join us," Those words rang through [name]'s mind as she remembered the day that her family was killed off by a demon and she was saved by the previous Flame Pillar. She was a mere 12-year-old girl back then, who had watched the last of kind get devoured right before her. She was taken in by the Ubuyashiki and had joined the Demon Slayer Corps, earning her title as a pillar at the age of 14, surpassing many due to her previous training as a shinobi. Her reflexes were admired by many, but many noticed the cold attitude she had displayed. She was the shadow pillar, a pillar that Ubuyashiki Kagaya was proud to have in the Demon Slayer Corps, for she was the support pillar. Often when she was requested to go on a mission secretly to help other Demon Slayers out, she comes back with excellent results and zero casualties. But what happens when [name] fights alongside Uzui Tengen, a man who was also a shinobi? And here she thought, she was the only shinobi left.

"As long as you are breathing, I'll come to you," Those words replayed in her head every day, and she could only hope for him to come save her. But as soon as tragedy falls upon his family, he abandoned her and his younger brother. She watched as he turned his back on her, yet something was tugging him back. It was more than just wishing she was alive. It was the fact that he was willing to sacrifice anything, just to ensure her safety. But little did he know, he was the one being saved.

Being a wizard here, their only goal was to perfect themselves and stand tall to be the best wizard in the realm, hoping to be able to defeat their greatest enemy. It was about perfecting your own set of spells and outshining others. It was about executing missions to get rid of the darkness that surrounded the world they live in. Yet to her, it wasn't a competition. It was more of a stroll in life to enjoy the little things along. She was often told about the way her eyes would sparkle when she sees her spell working. The way it shone brighter than any stars that exist in the night sky, even brighter than the sun itself. She was often told that she was loved by many, and especially by the Wind Wizard and Serpent Wizard. But never once did she ever noticed, for she was broken within. To be betrayed and left to die alone in the night. To give chances after chances for people to prove themselves that their words could be trusted no doubt. Only to fall back onto her knees as she kept within herself. She was afraid. Then she soon turned numb, and now, she's oblivious.

She knew his thoughts and ways about finding the perfect life was wrong. She knew it the moment she was born into the world, born as a half-demon. The very thought of knowing his blood was flowing through her own body made her frustrated. She hated him. She was weak and useless in his eyes. Kibutsuji Muzan had wondered why did he allow this girl to be born in this world? Ah. He remembers, for he had fell in love with the girl's mother. Yet this girl was nothing like her mother. Her mother was obedient, and was willing to devote herself to him, yet she remained human. He couldn't be bothered that his so called daughter had decided to run away. Not like he could kill her right now, for she was not under his control. [name], wasn't given the privilege to obtain his last name. But she couldn't be bothered for she hated him to the every single cell that existed in his body. Running away was the best she could think of, until she bumped into Ubushiyaki Kagaya.

"Memories of our lives, of our works and our deeds will continue in others." Whether she was the light of their lives or not, they weren't sure. But they had to admit, she was absolutely stunning to make them feel such an intense amount of emotions despite being so young. Memories, [name] had tried to remember that dangling light she always sees when she was asleep or in a daze. But she couldn't remember the earlier events of her life. She had lost her memories, but deep inside there was this slight burning rage within her. Yet the smile remains on her face despite how dead her eyes looked.

Unexpectedly, that's what Uzui Tengen felt about the tomboy personality that Akane [name] had. He was well-known to be a delinquent and was often reprimanded for getting into trouble with other delinquents from their opposing schools. But, the thrill of beating someone up made Uzui Tengen feel that it was a flamboyant thing to do. Then that very fine day, he met her. Captivating by her dark blue ocean eyes and the way her pink-tinted lips will curl up into a soft smile. The way she would show care and concern towards him whenever he arrives with bruises and wounds. He was in love. But he was frustrated at the same time, with the way she acted. She was a tomboy, a delinquent as well. She was new to the school and was the same age as his younger friends. But the way she portrayed herself, caused her to be the center of attention. He wanted her. But he didn't want her personality. And soon he watched as she changed into someone else, he felt lost. Why did she change? And that's when he realized deep down, he had loved her for who she was. It was then it didn't matter to him anymore, for he wanted [name] for the way she will be.

Iguro Obanai, the Serpent Pillar of the Demon Slayer Corps. Known for his bad temper, and his love for the Love Pillar, Kanroji Mitsuri. Yet, a particular girl with dark blue ocean eyes and long brown hair had caught his attention. He thinks about her every day and night, and would often drop by to see her. The way her lips would curl up into a smile when her dark blue ocean eyes laid upon his heterochromia ones. And to add on, she was the younger sister of the Shadow Hashira of the Demon Slayer Corps, Akane Haizaki. Yet, she was considered one of the most trusted member of the Demon Slayer Corps, allowed to attend the Pillar Meeting and understand the situation that was going on. Yet, the way her dark blue ocean eyes would widen in concern as she always runs to her older brother whenever he sustains injuries. And here Iguro Obanai had soon realized, who he truly loves. And he wants nothing more but bliss in this world filled with demons.

He was known to be reserved. And she was known to be the newest Upper Moon to ever exist in the era. Yet, she was so similar to him. He watched her often getting called upon by their Master. He watched her smile at something that he couldn't understand. That's when he realized, she had retained her human emotions. Unlike him, driven by a certain hatred within his demon soul. Yet, on the night he went out hunting together with her, watching the way she glowed beneath the moonlight. He felt a burning sensation within his cold heart, a feeling he found familiar but was long forgotten once. Was it love? He thought. Soon it turned into a competition, a constant need to see her every day. Getting irritated whenever the other Upper Moons were near her. He was known to be reserved, but oh well, he was known to be hot-headed when it comes to her.

Sequel to 想い出 "You're old enough now to understand that I won't be able to always be there for you," - Uzui Tengen Those words rang through [name]'s mind for the past few years. Kibutsuji Muzan was defeated, the Demon Slayer Corps was then disbanded, yet, the strong bond between them still remained as they decided to continue residing at their estates. Demons no longer exist, or so they thought, but the love that Tokito Muichiro and Rengoku Senjuro had for [name] was still burning strong. There was a new mission for them in life as they grow older, for they fell deeper for the retired Light Pillar. All they wanted, was for her to choose. So that she will be happy. Because now they're old enough to understand, what love is.

Being a demon slayer, especially taking the position of a Wind Hashira. Shinazugawa Sanemi knew the dangers of him not being able to return home someday. Many wondered, how could someone who is gentle and kind like Akane [name], a helper in the Demon Slayer Corps, get together with someone as short-tempered and violent like Shinazugawa Sanemi? Many believed that she deserves way much better than the constant arguments she was having every day with the Wind Hashira. And one day, it ended. It ended with him comparing her to someone who she could never be. Kocho Kanae. But then, there was a hidden reason why he wanted to end things with her. For he was entirely devoted to protecting her at all costs, even if it means him losing his life as well.