1girl, bangs, bespectacled, black cardigan, black hair, blunt bangs, blurry, blurry background, book, bookshelf, cardigan, cosplay, glasses, idolmaster, idolmaster cinderella girls, kita high school uniform, library, long sleeves, looking at viewer, nagato yuki, nagato yuki (cosplay), purple eyes, round eyewear, sailor collar, school uniform, semi-rimless eyewear, shirayuki chiyo, short hair, solo, suzumiya haruhi no shoushitsu, suzumiya haruhi no yuuutsu, twitter username, upper body, winter uniform, yumi san0112