1girl, black hair, blue eyes, blue hair, blush, breasts, brown neckerchief, detached sleeves, gradient background, grey background, hair ribbon, hairband, headband, headgear, long hair, looking at viewer, medium breasts, neckerchief, ribbon, school uniform, serafuku, sitting, smile, solo, thighhighs, twintails, wariza, white ribbon, white thighhighs