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fandom-imagines · 3 years

Text

Illogical

Fandom: Death Note

Pairing: L Lawliet X Yagami!Reader

Words: 1.5k

Warnings: Violence and death (but it’s death note :P)

Being Light Yagami’s sister was hard for both younger girls.

Y/N and Sayu were immensely proud of the older man, all whilst being envious. However, Y/N was less envious due to her own intelligence rivalling that of the older Yagami. That was one of the reasons that he chose her. In fact, that was the reason he had her help him create a new world, one of which they would both rule together.

Understandably the younger sibling was afraid.

She had noticed the genius changing during a short amount of time, but she had simply dismissed it, blaming it on teenage hormones. But it never got better, it got worse. Before he would spend time with the family, taking time out of his busy schedule to bond with them, but now he was constantly in his room ‘studying’.

“Light?” Y/N’s voice sounded from behind the door which was shortly followed by a knock. “Can I come in?”

A chuckle left Ryuk’s lips at Lights panicked expression that was simply caused by the voice of the younger girl behind the door.

Light had been so busy for the last few weeks that he had completely forgotten about their agreement to spend some time together whilst the rest of the family were away.

“Yeah, come in,” he called back, wincing at the sound of the door creaking open to reveal the Y/H/C-haired girl.

“What’s up?” A grin was plastered on her lips as she flopped onto his bed, narrowly missing touching the death note that he had carelessly left there whilst he took a short break from killing criminals.

“Be careful, Light.” The shinigami’s voice caught Light’s attention, eyes glancing to the tall figure, “Anyone who touches that notebook can see me, as well as hear me.” Another laugh left his lips.

As though it was planned, Y/N’s fingers reached for the book, “Hey, what’s this?”

Her eyes widened as she glanced up at the tall death God who simply gave her a small wave along with a ‘hi’.

“H-hello…?” Y/N’s shaky voice left her lips, something that Ryuk shook his head at. “Light? Wha…”

Unbeknownst to her, Light was already situated on the floor in front of her. He gently grasped her cheek, tilting her wide eyes to look into his own.

“Y/N, I am Kira. Will you help me create a new world?”

It had felt like forever since that day. Names no longer meant a thing to her, just a string of letters to write down to end somebody’s life.

Things got even more tricky when her and Light had been asked to join the investigation by L himself, someone that Y/N began to unwillingly develop a small crush on. Considering that he was searching to kill her and Light, she guessed that this crush was probably a bad thing.

Some may think that things could not get worse from there, but oh boy, they can.

“Y/N,” L’s deep voice brought the girl from her thoughts, bringing her back to reality.

He was seated beside her, cake placed on the desk in front of him, yet his attention was focused solely on her.

“Are you okay?” Those three words that left his lips shocked her, unable to make eye contact with him she decided to instead glance down at his lips, nerves taking over her.

Lawliet caught onto her anxiety immediately, placing his cold hand on top of the warmth of her own to calm her, something that he often did.

Not only did it get her to relax, but he also enjoyed touching her, not that he would ever admit that to anybody of course. Especially not when you remember that she was the sister of his main suspect for the Kira case. However, he had never suspected her of a thing. Too blinded by love? Perhaps.

“Ryu?” Confusion filled her Y/E/C orbs as she leant up to face him, only to see his own gaze on her lips.

She wasn’t stupid; she knew what that meant.

She heard a chuckle behind her, one she immediately recognised at Ryuk’s. Said chuckle only became louder as he witnessed the detective and the death note holders’ lips touch.

The entirety of the task force, including L, stood around Light, Y/N slightly situated to the side of him whilst he laughed.

“That’s right,” a smirk covered his lips, “I’m Kira. But I’m not the only one.” Light’s eyes darted towards his younger sister who stood as still as a statue, fear filling her body as she realised that her boyfriend would want to kill her, and she would have to kill her boyfriend.

“Y/N…” Lawliet’s voice held a hint of betrayal in it as he spoke, watching as she stepped towards Light who handed her a death note before pushing her to the side again.

“Do the honours,” Light grinned, glancing towards L, prepared to watch him fall to the ground from a heart attack.

Light believed that the relationship between the detective and his sister was fake, something she was using to their advantage to win the war. Little did he know that she loved him, she loved him more than she loved her own psychopathic brother.

An idea flashed into Y/N’s head as she nodded, feeling Ryuk stood behind her who was enjoying the drama unfolding before him.

She brought the pen to the page, ignoring everyone’s pleas for her to stop as she wrote. The look of betrayal and hurt on the raven-haired man struck pain into her heart, but she knew what she was doing was right.

“Goodbye, L. Kira will always win.” Light’s manic laugh sounded again as he spoke, ignoring Ryuk’s own laugh which everyone could hear also.

Light’s laugh came to a halt as he began coughing.

“Y-Y/N…?” A look of betrayal filled his face before being covered in anger as he glared at her. “Ryuk! Kill her.” He coughed again, becoming desperate as he realised what she had done.

She had written his name, not L’s.

“Sorry, Light.” Ryuk chuckled, “I always said I wasn’t on yours or L’s side, but Y/N truly wins this one.” Another chuckle left his lips as he patted Y/N’s hair in a comforting manner, tears falling down her cheeks as she watched the life leave Kira’s eyes.

Both the book and pen fell from her shaking hands, body dropping to the ground as she burst into uncontrollable sobs.

“I-I’m sorry, I didn’t want to.”

Nobody moved an inch, scared that this was all an act.

“Please, don’t hate me.” Hands reaching up to her hair, Y/N began to pull tightly to relieve, at least some of, her anxiety.

Matsuda had walked towards Light, checking his body for a pulse.

There was none.

“Y/N,” Lawliet was the first of the task force to speak, “breathe.”

Another sob left her lips as she desperately clawed at her hair.

L climbed up onto his feet, making his way towards her. “It’s okay,” he whispered, kneeling in front of her, “Light can’t hurt you anymore.”

“I killed him, Ryu. I killed my own brother.” Tears cascaded down her cheeks, body wracked with sobs that only increased as Ryuzaki pulled her into a tight hug.

“You did what you had to.”

The rest of the task force stood still in horror at what had just happened.

The girl they had never suspected was responsible for the killings. Not only her, her genius brother also. From what they could piece together, it was unwilling on her part, anybody could deduce that much. It was evident from the genuine remorse she showed that she regretted everything.

“I’m sorry,” Y/N’s hands left her hair to wrap around the detective, afraid that when she opens her eyes he’d be gone; afraid that he would hate her. “I didn’t want to hurt you; I didn’t want to hurt anyone.”

L shushed her, pale hands moving to massage her hair in a soothing manner, “it’s okay.”

The two remained like that for what felt like hours, both as afraid as the other to pull away in case this was all a dream, in case they would lose each other.

“I love you,”

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