1girl, black thighhighs, blouse, blush, eyeball, frilled shirt collar, frills, greyscale, hair over eyes, heart, heart of string, light frown, medium hair, monochrome, no headwear, shirt, simple background, sketch, skirt, sleeves past fingers, sleeves past wrists, solo, thighhighs, third eye, traditional media, wavy hair, white background, zettai ryouiki