1girl, o, black_hair, black_sailor_collar, black_skirt, blurry, blurry_background, blush, brown_eyes, chair, day, depth_of_field, desk, hands_up, indoors, looking_at_viewer, matsunaga_kouyou, nose_blush, on_chair, original, panties, parted_lips, pleated_skirt, sailor_collar, school_chair, school_desk, school_uniform, serafuku, shoes, skirt, socks, solo, twintails, underwear, upskirt, uwabaki, white_footwear, white_panties, white_socks, window