horiguchi yukiko, hiiragi kagami, hiiragi tsukasa, izumi konata, lucky star, absurdres, detexted, highres, official art, third-party edit, 00s, 3girls, :3, ahoge, blue hair, blush, book, classroom, hair ribbon, long hair, mole, mole under eye, multiple girls, open book, purple eyes, purple hair, reading, ribbon, school, school uniform, serafuku, short hair, siblings, sisters, smile, twins, twintails