konomi yui, seifuku kanojo, seifuku kanojo 2, artist request, highres, official art, 1girl, black hair, black ribbon, black shoes, blue skirt, breasts, closed mouth, collared shirt, full body, hand up, high-waist skirt, long hair, long sleeves, looking at viewer, mary janes, medium breasts, neck ribbon, ribbon, shirt, shoes, simple background, skirt, smile, solo, standing, suspender skirt, suspenders, tachi-e, thighhighs, transparent background, white shirt, white thighhighs