1boy, 1girl, blue eyes, blush, brother and sister, eye contact, forehead-to-forehead, heads together, hetero, incest, long hair, looking at another, monochrome, one side up, pink eyes, short hair, siblings, sidelocks, simple background, spot color, star-shaped pupils, star symbol, sweatdrop, symbol-shaped pupils, twincest, twins, upper body, white background