core (mayomayo), hiiragi inori, hiiragi kagami, hiiragi matsuri, hiiragi tsukasa, lucky star, hand on head, bad id, bad pixiv id, 00s, 4girls, blue eyes, bow, brown eyes, brown hair, collarbone, hair bow, hair ribbon, hood, hoodie, long hair, multiple girls, necktie, one eye closed, purple hair, ribbon, short hair, siblings, simple background, sisters, smile, star (symbol), suspenders, tareme, tsurime, twins, twintails, v, wink