immature || oikawa x reader

You've never liked Oikawa. He was nothing but a popular guy who fake smiles a lot. There was something about him. He was always staring at you. He hated you too, well not hate, just loved bothering you and teasing you. But one afternoon, it all changes.
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disclaimers:
i do not own the picture! credits to the amazing person who drew it
i do not own the anime haikyuu this is a fanfiction
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y/n: your name
h/c: your hair color
e/c: your eye color
h/l: your hair length
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this is my first book so sorry if it's horribly written! enjoy!