1boy, 1girl, arm up, book, brown dress, brown hair, brown socks, chalk, chalkboard, classroom, dress, error, facing away, female child, frilled socks, frills, from behind, holding, holding book, indoors, lace-trimmed dress, lace trim, long sleeves, magnet, math, medium hair, miyagawa haruka, namuta, open book, original, paper, pinafore dress, protractor, refrigerator magnet, set square, shirt, shoes, short dress, sleeveless, sleeveless dress, socks, solo focus, standing, stopwatch, straight hair, teacher, tiptoes, trash can, uwabaki, white footwear, white shirt, wide shot, writing