2girls, backpack, bag, black bow, black bowtie, black hairband, blue shirt, blue skirt, bow, bowtie, closed mouth, dated, facing viewer, flat cap, ghost, green headwear, green skirt, green vest, hair bobbles, hair ornament, hairband, hat, head-mounted display, key, multiple girls, musical note, shirt, short hair, short sleeves, simple background, skirt, smile, solo focus, twitter username, two side up, vest, virtual reality, white background, white hair, white shirt