2boys, 2girls, arms around neck, black cardigan, blonde hair, blue eyes, blue hair, brother and sister, cardigan, closed mouth, detached sleeves, frills, gradient shirt, green eyes, hair between eyes, hair ornament, hair ribbon, hairpin, harness, long hair, long sleeves, multiple boys, multiple girls, neckerchief, ponytail, purple eyes, purple hair, red neckerchief, ribbon, sailor collar, school uniform, short hair, siblings, upper body, white background