2girls, bangs, blue eyes, blush, bow, bowtie, hair bow, hairband, hiiragi kagami, hiiragi tsukasa, long hair, lucky star, multiple girls, open mouth, pleated skirt, purple hair, ri (qrcode), ryouou school uniform, school uniform, serafuku, short hair, short sleeves, siblings, sisters, skirt, smile, socks, twins, twintails, v