1girl, ahoge, arms behind back, bare shoulders, black skirt, black sleeves, black thighhighs, blue background, blue eyes, blue hair, blue necktie, blush, border, breasts, collared shirt, detached sleeves, dutch angle, hair between eyes, hair ornament, headset, legs together, long hair, long sleeves, looking at viewer, miniskirt, necktie, parted lips, pleated skirt, raised eyebrows, shirt, sidelocks, signature, simple background, skirt, sleeveless, sleeveless shirt, small breasts, solo, teeth, thighhighs, thighs, tie clip, twintails, very long hair, white border, white shirt, zettai ryouiki