1girl, all_fours, arms_behind_back, black_hair, black_serafuku, black_skirt, black_socks, blue_eyes, blush, braid, brown_footwear, brown_hair, closed_eyes, closed_mouth, collarbone, film_grain, grey_footwear, kneehighs, kotomori_shizu_(makicha), long_hair, long_skirt, looking_at_viewer, lying, makicha_(sasurainopink), multicolored_footwear, multiple_views, on_back, on_stomach, open_mouth, original, outline, parted_lips, red_footwear, school_uniform, serafuku, sitting, skirt, sleeves_past_wrists, smile, socks, sweat, tongue, walking, wariza, white_outline