1boy, 1girl, ahoge, artist name, blonde hair, blue eyes, blue jacket, blush, bow, bowtie, breasts, brother and sister, collared jacket, collared shirt, embarrassed, fingernails, grey skirt, hair between eyes, hand on another's chest, hands up, hetero, incest, jacket, long hair, long sleeves, looking at another, medium breasts, necktie, one side up, open clothes, open jacket, open mouth, pink bow, pink bowtie, pink eyes, pink necktie, pleated skirt, school uniform, shirt, short hair, siblings, simple background, skirt, standing, star-shaped pupils, star symbol, symbol-shaped pupils, tongue, twincest, twins, white background, white shirt