maruki (punchiki), hiiragi tsukasa, hirasawa yui, k-on!, lucky star, bad id, bad pixiv id, 2girls, ?, blue eyes, brown eyes, brown hair, castanets, cosplay, costume switch, crossover, hair ornament, hair ribbon, hairband, hairclip, hiiragi tsukasa (cosplay), hirasawa yui (cosplay), instrument, loafers, multiple girls, musical note, pantyhose, purple hair, ribbon, school uniform, serafuku, shoes, short hair, surprised