2girls, backpack, bag, black hair, blue sky, blush, brown hair, cloud, grey skirt, guard rail, hair bun, hands on another's cheeks, hands on another's face, long hair, multiple girls, outdoors, plaid, plaid skirt, pleated skirt, purple eyes, school uniform, shirt, short sleeves, shoulder bag, single hair bun, single side bun, skirt, sky, twilight, twintails, white shirt, yuri