Big brother Kino x little sister reader

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Alright! So I don't know much about Kino's personality but I tried my best! Also it's kinda a fluffy/sad one shot so be warned!

You sat there pouting arms crossed as you glared at your older brother Kino who was busy doing his work. "Onii-chan!" You whined for probably the millionth time. Kino sighed placing his pen down as he rubbed his temples. "What is it now?" He grumbled starting to get annoyed by your constant whining.

"Play with me! You said you would!" You yelled jumping up and pointing at him. Kino's eye twitched slightly remembering that he did promise to play with you. Groaning he slammed his head on the table. "Honestly (y/n) you're supposed to be studying in order to be a lady." He said.

You frown. "No way! That's boring! Why do I have to do that?!" You yelled stomping your foot. "Because (y/n) we are the ones who are fit to be the next rulers of our race....although if you ask me all vampires should be eliminated." He said eyes darkening. You stood there looking at him slightly scared.

"....you're eyes remind me of mommies..." you whispered. Kino's eyes went wide slightly as he glanced over at you. He knew how much you were terrified of your mother. Sighing he stood up slowly making his way toward you. "Tell you what." He said bending down to your height.

"If I play with you will you promise to go and do your studying?" He asked tilting his head slightly. You looked at him and smiled brightly. "Ok!" You cheered happily. Kino smiled standing up as he ruffled your hair slightly. "Good. Now what do you want to play?" He asked.

You smiled up at him brightly. "I wanna play ball!" You cheered laughing. Kino smiled softly at you before nodding. "Alright. Let's go play ball." He said softly taking your small hand in his as the two of you walked out of his office. The entire night you two played ball.

You were happily laughing while Kino watched you with a small smile on his face. By the end of the night you were exhausted. Yawning you rubbed your eye. Kino saw this and sighed picking you up. "I suppose studying can wait till tomorrow." He mumbled carrying you to your room. He went and placed you on your bed tucking you in.

"Onii-chan..." you whispered half asleep. "What is it?" Kino asked stopping at your door. You smiled a tired smile at him your eyes slowly coming to a close. "I had fun..." you whispered before falling asleep. Kino stayed silent for a moment before smiling a small smile.

"Yes....as did I."

~8 years later~

You stood there eyes narrowed at the dead corpse in front of you

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You stood there eyes narrowed at the dead corpse in front of you. "Why....why did you have to do this..." you whispered eyes shadowing. "You didn't have to try and take them all on..." you cried. "Why...why couldn't you just leave that stupid human girl alone?!" You screamed crying heavily.

"Why'd you leave me?!" You yelled stomping on the dead body in front of you. You were filled with rage and sadness that all your senses left. "....that's....not....lady....like....at....all." I weak and practically dead voice whispered. Your eyes went wide as tears again filled your eyes.

"O-onii-chan...." you whispered weakly. Kino laid there covered in blood as he smiled a weak smile. "Hey....(y/n)..." he whispered reaching his arm up to you. "Let's....play....ball..." with that said his eyes fell shut and his arm hit the ground. You stood there with wide eyes. "Onii-chan?" You asked.

No response was given. You grit your teeth as you clenched your fists.  "KINO!" You screamed falling to your knees as you hugged your brothers corpse close to you. "WAKE UP! PLEASE DON'T LEAVE ME!" You cried heavily. "I'LL BE A LADY! JUST COME BACK!" You screamed.

After hours of screaming and crying you finally ran out of tears to shed. You sat there hugging your brother as it had started to rain. "....Sakamaki...." you whispered your voice dark and filled with venom. You slowly looked ahead in the direction you last saw the human girl and vampire run off in.

Your eyes were narrowed and filled with nothing but hate and revenge. "I'll kill you." You said eyes glowing.

"AYATO SAKAMAKI!"

DONE!

I know it sucks but I don't really know Kino that well. I tried that's all that matters.

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