2girls, :d, ahoge, alternate costume, black choker, black pants, blonde hair, blush, bow, bowtie, choker, cosplay, costume switch, hair ornament, indoors, long hair, long sleeves, looking at another, looking at viewer, multiple girls, open mouth, pants, red bow, red bowtie, red eyes, red sweater, school uniform, shirt, siblings, side ponytail, sisters, skirt, smile, sweater