"If ever there is a time where I can meet you in a world where I'm healthy, I will be contented to love you instead," he whispered to himself. He tried to remember who he had said it to. Only to realize that the person had been with him the entire time. That's when he realized they knew each other from a long time ago. And she worked up an act of courage then to speak her mind. "Have we met before?"

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.

Often portrayed as cold. Often called upon being disliked by his people. Tomioka Giyuu thought he was destined to be alone. He thought he wouldn't be able to find someone who would love him ultimately. But his eyes set upon a magical being who was seen peeking out from the ocean. All he could think about was those pair of magnificent beautiful eyes. Then came the notice of the cursed kingdom. She was part of the kingdom, cursed, to never return to land. Mythical creatures are often being hunted by kingdoms to ensure that they are showing how powerful and resourceful they were. What will Tomioka Giyuu do, when he realizes his beloved one was captured?

He was known to be a hot-blooded individual. Showing little to no concern about anything or anybody. Except towards the swords he creates with his burning passion. Many disliked him, finding him to be very difficult to approach. Given how hot-headed he was, yet the passion he had for swords made him stand out from most of the swordsmiths who made swords for the sake of it. He didn't need anything else. Nor did he need love. He just wanted to create swords after swords. Only to realize he had other feelings, for a particular Hashira. Then many started to question then, why would someone like her fall in love with someone as hot-tempered as him? And how?

A sense of attachment was all that he needed. When his heterochromia eyes laid upon her for the first time, He felt as if he was free from being imprisoned in the asylum. Then came those words that escaped her sweet lips. Where she promised she will set him free, to clear his name. And little did she know that she has a special place within his cold heart.

"Because she's my wife," - Hashibira Inosuke Tragedy fell upon their family. But Hashibira Inosuke would never give up. He would fight for the day when his wife recovers fully. And he vows to love her for all eternity.

It was always her. Days turned into weeks. Weeks turned into months. Months turned into years. & soon, years turned into decades. And finally he was reborn as a human.

"I promise to come back to you," - Tokito Muichiro. They were so innocent. Just playing in the courtyard. The adults called it puppy love But little did the adults know, It meant a whole lot to them.

He remembered the day he first saw her. She was breathtaking. He felt as if his worries were all gone. It was as if he was living in a peaceful world. Only for her to return home from a mission ; Hateful remarks were thrown at her, but he stood by her. For she was turned into a demon.

"Wherever you go, we will always be together," They thought they would have died back then when the demon attacked them. They thought they wouldn't live to see the next sunlight. Only for a demon slayer who was turned into a demon from young, came to their rescue. With Amane convincing them to return to the Demon Slayer Corps with them, did they find out about the demon's past. How she was a young girl, close to their age as well. And how she became an important part of their lives. Wherever they go, they were sure to bring her along.