1boy, 1girl, age difference, barefoot, black pants, black skirt, brother and sister, brown eyes, brown hair, expressionless, girl on top, grey shirt, hug, light blush, long hair, long sleeves, no mouth, pants, profile, shirt, siblings, simple background, sitting, sitting on lap, sitting on person, skirt, socks, straddling, upright straddle, white background, white socks