1boy, 1girl, age difference, aged down, black sailor collar, black shorts, blue shirt, blue shorts, blunt bangs, blush, book, boots, brother and sister, brown footwear, flying sweatdrops, freckles, grey background, holding, holding book, kneehighs, loafers, looking at viewer, sailor collar, shirt, shoes, short sleeves, shorts, siblings, simple background, socks, tongue, tongue out, white hair, yellow eyes