little does she know- ObanaixOCxMuzan

greetings

It was a Friday morning, Jasayla was getting ready for school. She put on her school uniform, which consists of a white collared shirt, a yellow cardigan with the school logo, a black skirt, black knee-high socks, and flats. She put her hair in a half-up half-down style, held together by  little yellow lightning bolt clips. She then grabbed her black bookbag, and made her way out of the Light Estate. 

Jasayla was a hashira, a relatively new one at that. She was the first demon slayer to master Light Breathing, her own breathing technique. 

She made her way to the front gates, where she met up with Iguro Obanai, her best friend since middle school. Obanai was also a new hashira for serpant pillar. He was wearing the same school uniform, a white collared shirt, black pants, a yellow cardigan, and black shoes. Jasayla and Obanai both hated the uniforms, they thought the yellow cardigan was repulsive, and yet, Obanai still found Jasayla quite cute in the uniform.

He greeted her with a smile behind his bandaged mask, and Jasayla returned the smile. His slightly tinted cheeks were hidden behind his bandaged face. Jasayla held on to his arm as they made their way into school.

When they made their way into the school, they were greeted by Mitsuri Kanroji, their other friend, and the girl who Jasayla believed Obanai liked. Mitsuri pulled them both into a hug. Mitsuri was also a hashira, part of the love pillar.

"Hey you two lovebirds!" she said narrowing her eyes at Obanai, smirking. He blushed behind his mask.

"Oh Mitsuri, come on now!" Jasayla said smiling, "We are just best friends! How many times am I gonna have to tell you that?"

"Silly Jasayla, you know I have a bad memory!" She laughed, playing it off, noticing Obanai was glaring at her.

'I knew I shouldn't have told her' he thought to himself.

The trio walked into school, Jasayla still holding onto Obanais arm. Although them two weren't dating, Obanai ensured everyone knew she was off-limits. Some still tried to test their luck though.

After her first class of the day, Jasayla was approached by one of her fellow classmates. He was confident and started complimenting her, until he saw Obanai out of the corner of his eyes, giving the death stare. His confidence was soon shattered as he quickly made an excuse to leave.

Jasayla was quite confused as to what had happened, that's when Obanai placed his hand on her shoulder.

"What was that about?" he asked.

"I'm not entirely sure," she said oblivious, "he started complimenting me, but soon trailed off and said he had to get to class."

"Strange." Obanai said with a smirk.

The duo had the majority of classes together, all but their first, and their last. They walked into their second period to be greeted by Mitsuri once again.

"Long time no see." she smiled.

They were in chemistry class, a class Jasayla wasn't very good in. She was Obanais lab partner usually, unless she was sick, which she never was. After the class, they said goodbye to Mitsuri and left to their next few classes. 

Finally on the last class of the day, Jasayla was staring at the clock, eagerly waiting for it to ring. After what seemed like hours it did. She quickly went to her locker and started making her way to her meet up spot with Obanai. As she was making her way, a hand grabbed her wrist and pinned her against the lockers.

His plum red eyes looked at her hazel ones intensely. Jasayla was in shock.

"Oh um.." she stuttered. 

The plum eyed man smiled. "I'm sorry, do I know you?" she asked.

He tilted his head. "It appears as if you don't." he frowned. "We have chemistry together actually." 

Her eyes widened. "Oh! I'm so sorry, I never realized." she said embarrassed, and feeling bad.

He continued to stare at her, his hand still on her wrist. "So um, can I help you Mr..."

"Tsukihiko." He said. "Call me Tsukihiko."

"Okay Tsukihiko, what can I help you with?" She smiled.

"I would like to take you on a date Jasayla." 

Jasayla froze, dumbfounded upon what she just heard. "A- a date?"

"Yes." he said, still looking into her eyes.

Jasayla has never been asked on a date. She could thank Obanai for that. But he wasn't there this time to prevent it. 

"Sure!" She said happily. 

He smiled, letting go of Jasayla. His black curly hair complimenting the yellow cardigan. "I'll pick you up tonight."

"That sounds great!" she said excitedly.

She then remembered she has training after school. "Oh wait- could it possibly be around.. 8? And could we meet up instead of you picking me up?" She asked nervously.

"That sounds fine." He said. "Meet me in town, at 8. I'll see you then darling." He smiled, walking away.

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Obanai left his class and immediately went to his meet up spot with Jasayla. He waited for a few minutes, confused as to why she wasn't there yet. He decided to walk around to look for her since he grew impatient.

He turned the corner to see his best friend against the wall, talking to a tall black haired boy. He didn't recognize him, but he felt familiar. His blood boiled as he saw the man smirk at Jasayla. He clenched his fists as she smiled back in response. He waited until the man left, and noticed Jasayla making her way over to him, happier than ever.

"So what was that about?" he asked, clearly annoyed.

"He asked me on a date!" Jasayla said cheerfully.

Obanais eyes widened. "What? What did you say?" 

"He asked me on a date!" she repeated. "I told him yes of course, I mean it is the first time anyones asked me out after all. I was starting to think I would never get anyone." She started rambling. "His names Tsukihiko, and he's in our chemistry class!"

Obanais fists were clentched the whole way home as Jasayla told him about her encounter with the plum eyed man.

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Tsukihiko made his way out of the school and into his home. Tsukihikos real name was Muzan Kibutsuji. He was the first ever demon and was on a quest to learn more about the Hashiras. He knew Jasayla was a new member of the group, and quickly decided she would be his target. He would get close to her to learn about all of the Hashiras secrets. Muzans human form was not known to the Hashiras. He was careful to not let anyone see him do any demon deeds while in that form. 

Jasayla was clueless to the fact, that she was about to go on a date with a demon.