1girl, aqua nails, black cardigan, blue eyes, blurry, blurry background, cardigan, chain necklace, elbow rest, grey serafuku, hand up, holding, holding pencil, indoors, jewelry, light particles, long hair, long sleeves, looking at viewer, neckerchief, necklace, open mouth, pencil, pink hair, red neckerchief, school uniform, serafuku, solo, upper body