1boy, 1girl, artist name, back-to-back, blue eyes, brother and sister, collared shirt, greyscale, hair ribbon, hand over face, holding hands, jacket, long sleeves, looking at viewer, monochrome, necktie, one side up, pink eyes, ribbon, shirt, short hair, siblings, spot color, star-shaped pupils, star symbol, star in eye, symbol-shaped pupils, symbol in eye, twins