neuron (exceed), hiiragi kagami, hiiragi tsukasa, lucky star, 00s, 2girls, black socks, blue eyes, blue hair, bow, brown shoes, clenched hand, copyright name, female focus, full body, grin, hair bow, hairband, looking at viewer, multiple girls, purple hair, raised fist, ryouou school uniform, school uniform, serafuku, shoes, short hair, siblings, sisters, skirt, smile, socks, standing, star (symbol), twins, twintails