satou kuuki, game cg, large variant set, non-web source, official art, variant set, 1girl, ayazaki shizuku, black hair, black skirt, blue eyes, blush, bow, breasts, collarbone, cowboy shot, gradient hair, hair ornament, hairclip, hand on own hip, huge breasts, long hair, long sleeves, looking at viewer, multicolored hair, nose blush, pleated skirt, purple hair, school uniform, serafuku, shirt, skirt, smile, solo, soukou seiki ysphere, tented shirt, transparent background