1girl, black_hair, black_jacket, black_necktie, black_socks, blurry, blurry_background, chair, collared_shirt, desk, feet_up, grey_background, grey_eyes, hair_twirling, hand_up, indoors, jacket, knee_up, legs, long_hair, looking_to_the_side, mattaku_mousuke, miniskirt, necktie, on_chair, original, plaid, plaid_skirt, pleated_skirt, pout, school_chair, school_desk, school_uniform, shadow, shirt, sidelocks, sitting, skirt, socks, solo, thighs, twitter_username, watermark, white_footwear