su (pixiv 263717), amamiya minato (koori no jouheki), hikawa koyuki, koori no jouheki, 1boy, 1girl, black jacket, black pantyhose, blue sweater, blush, brown eyes, brown hair, brown jacket, grey pants, grey skirt, jacket, long hair, long sleeves, looking at another, open clothes, open jacket, open mouth, panties, panties under pantyhose, pants, pantyhose, red shoes, school uniform, shirt, shoes, short hair, sketch, skirt, squatting, sweat, sweater, underwear, white panties, white shirt