score_9, 1girl, solo, from the back, looking back, open mouth, outdoors, smile, rin shibuya, black hair, green eyes, long hair, black skirt, black socks, collared shirt, green necktie, kneehighs, long sleeves, miniskirt, necktie, pleated skirt, school uniform, shirt, skirt, socks, striped, striped necktie, white shirt, wing collar