komeimax, mousou (mousou temporary), kousaka kirino, nakano azusa, taketatsu ayana, k-on!, ore no imouto ga konna ni kawaii wake ga nai, untied, artist collaboration, bad id, bad pixiv id, 2girls, aqua eyes, black hair, blazer, blush, brown eyes, cosplay, costume switch, cover, cover page, crossover, dress shirt, hair ornament, hairclip, jacket, kousaka kirino (cosplay), long hair, multiple girls, nakano azusa (cosplay), neck ribbon, orange hair, pleated skirt, red ribbon, ribbon, school uniform, shirt, skirt, voice actor connection