This is the uniform of maid cafe "Red Square" in Alice Gear Aegis.
Tags: Red Square Uniform, maid, waitress, ribbon-trimmed legwear, white thighhighs, black elbow gloves, mary janes, short dress, black dress, black shoes, zettai ryouiki, bare shoulders, frills, sleeveless dress, white apron, black footwear, waist apron, back ribbon,